21104960760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{265271}}^1$

素因数の和:265318

約数の個数: 192

約数和(自身を含む): 78212796480

約数和(自身を除く): 57107835720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 4680, 5304, 6120, 6630, 7956, 8840, 9945, 13260, 15912, 19890, 26520, 39780, 79560, 265271, 530542, 795813, 1061084, 1326355, 1591626, 2122168, 2387439, 2652710, 3183252, 3448523, 3979065, 4509607, 4774878, 5305420, 6366504, 6897046, 7958130, 9019214, 9549756, 10345569, 10610840, 11937195, 13528821, 13794092, 15916260, 17242615, 18038428, 19099512, 20691138, 22548035, 23874390, 27057642, 27588184, 31036707, 31832520, 34485230, 36076856, 40586463, 41382276, 45096070, 47748780, 51727845, 54115284, 58624891, 62073414, 67644105, 68970460, 81172926, 82764552, 90192140, 95497560, 103455690, 108230568, 117249782, 124146828, 135288210, 137940920, 155183535, 162345852, 175874673, 180384280, 202932315, 206911380, 234499564, 248293656, 270576420, 293124455, 310367070, 324691704, 351749346, 405864630, 413822760, 468999128, 527624019, 541152840, 586248910, 620734140, 703498692, 811729260, 879373365, 1055248038, 1172497820, 1241468280, 1406997384, 1623458520, 1758746730, 2110496076, 2344995640, 2638120095, 3517493460, 4220992152, 5276240190, 7034986920, 10552480380, 21104960760]

約数ペア:

[(1, 21104960760), (2, 10552480380), (3, 7034986920), (4, 5276240190), (5, 4220992152), (6, 3517493460), (8, 2638120095), (9, 2344995640), (10, 2110496076), (12, 1758746730), (13, 1623458520), (15, 1406997384), (17, 1241468280), (18, 1172497820), (20, 1055248038), (24, 879373365), (26, 811729260), (30, 703498692), (34, 620734140), (36, 586248910), (39, 541152840), (40, 527624019), (45, 468999128), (51, 413822760), (52, 405864630), (60, 351749346), (65, 324691704), (68, 310367070), (72, 293124455), (78, 270576420), (85, 248293656), (90, 234499564), (102, 206911380), (104, 202932315), (117, 180384280), (120, 175874673), (130, 162345852), (136, 155183535), (153, 137940920), (156, 135288210), (170, 124146828), (180, 117249782), (195, 108230568), (204, 103455690), (221, 95497560), (234, 90192140), (255, 82764552), (260, 81172926), (306, 68970460), (312, 67644105), (340, 62073414), (360, 58624891), (390, 54115284), (408, 51727845), (442, 47748780), (468, 45096070), (510, 41382276), (520, 40586463), (585, 36076856), (612, 34485230), (663, 31832520), (680, 31036707), (765, 27588184), (780, 27057642), (884, 23874390), (936, 22548035), (1020, 20691138), (1105, 19099512), (1170, 18038428), (1224, 17242615), (1326, 15916260), (1530, 13794092), (1560, 13528821), (1768, 11937195), (1989, 10610840), (2040, 10345569), (2210, 9549756), (2340, 9019214), (2652, 7958130), (3060, 6897046), (3315, 6366504), (3978, 5305420), (4420, 4774878), (4680, 4509607), (5304, 3979065), (6120, 3448523), (6630, 3183252), (7956, 2652710), (8840, 2387439), (9945, 2122168), (13260, 1591626), (15912, 1326355), (19890, 1061084), (26520, 795813), (39780, 530542), (79560, 265271)]