21560760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 80196480

約数和(自身を除く): 58635720

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, 271, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 542, 585, 612, 663, 680, 765, 780, 813, 884, 936, 1020, 1084, 1105, 1170, 1224, 1326, 1355, 1530, 1560, 1626, 1768, 1989, 2040, 2168, 2210, 2340, 2439, 2652, 2710, 3060, 3252, 3315, 3523, 3978, 4065, 4420, 4607, 4680, 4878, 5304, 5420, 6120, 6504, 6630, 7046, 7956, 8130, 8840, 9214, 9756, 9945, 10569, 10840, 12195, 13260, 13821, 14092, 15912, 16260, 17615, 18428, 19512, 19890, 21138, 23035, 24390, 26520, 27642, 28184, 31707, 32520, 35230, 36856, 39780, 41463, 42276, 46070, 48780, 52845, 55284, 59891, 63414, 69105, 70460, 79560, 82926, 84552, 92140, 97560, 105690, 110568, 119782, 126828, 138210, 140920, 158535, 165852, 179673, 184280, 207315, 211380, 239564, 253656, 276420, 299455, 317070, 331704, 359346, 414630, 422760, 479128, 539019, 552840, 598910, 634140, 718692, 829260, 898365, 1078038, 1197820, 1268280, 1437384, 1658520, 1796730, 2156076, 2395640, 2695095, 3593460, 4312152, 5390190, 7186920, 10780380, 21560760]

約数ペア:

[(1, 21560760), (2, 10780380), (3, 7186920), (4, 5390190), (5, 4312152), (6, 3593460), (8, 2695095), (9, 2395640), (10, 2156076), (12, 1796730), (13, 1658520), (15, 1437384), (17, 1268280), (18, 1197820), (20, 1078038), (24, 898365), (26, 829260), (30, 718692), (34, 634140), (36, 598910), (39, 552840), (40, 539019), (45, 479128), (51, 422760), (52, 414630), (60, 359346), (65, 331704), (68, 317070), (72, 299455), (78, 276420), (85, 253656), (90, 239564), (102, 211380), (104, 207315), (117, 184280), (120, 179673), (130, 165852), (136, 158535), (153, 140920), (156, 138210), (170, 126828), (180, 119782), (195, 110568), (204, 105690), (221, 97560), (234, 92140), (255, 84552), (260, 82926), (271, 79560), (306, 70460), (312, 69105), (340, 63414), (360, 59891), (390, 55284), (408, 52845), (442, 48780), (468, 46070), (510, 42276), (520, 41463), (542, 39780), (585, 36856), (612, 35230), (663, 32520), (680, 31707), (765, 28184), (780, 27642), (813, 26520), (884, 24390), (936, 23035), (1020, 21138), (1084, 19890), (1105, 19512), (1170, 18428), (1224, 17615), (1326, 16260), (1355, 15912), (1530, 14092), (1560, 13821), (1626, 13260), (1768, 12195), (1989, 10840), (2040, 10569), (2168, 9945), (2210, 9756), (2340, 9214), (2439, 8840), (2652, 8130), (2710, 7956), (3060, 7046), (3252, 6630), (3315, 6504), (3523, 6120), (3978, 5420), (4065, 5304), (4420, 4878), (4607, 4680)]