21222217520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{34483}}^1$

素因数の和:34667

約数の個数: 120

約数和(自身を含む): 57764700144

約数和(自身を除く): 36542482624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 196, 245, 280, 314, 392, 490, 560, 628, 784, 785, 980, 1099, 1256, 1570, 1960, 2198, 2512, 3140, 3920, 4396, 5495, 6280, 7693, 8792, 10990, 12560, 15386, 17584, 21980, 30772, 34483, 38465, 43960, 61544, 68966, 76930, 87920, 123088, 137932, 153860, 172415, 241381, 275864, 307720, 344830, 482762, 551728, 615440, 689660, 965524, 1206905, 1379320, 1689667, 1931048, 2413810, 2758640, 3379334, 3862096, 4827620, 5413831, 6758668, 8448335, 9655240, 10827662, 13517336, 16896670, 19310480, 21655324, 27034672, 27069155, 33793340, 37896817, 43310648, 54138310, 67586680, 75793634, 86621296, 108276620, 135173360, 151587268, 189484085, 216553240, 265277719, 303174536, 378968170, 433106480, 530555438, 606349072, 757936340, 1061110876, 1326388595, 1515872680, 2122221752, 2652777190, 3031745360, 4244443504, 5305554380, 10611108760, 21222217520]

約数ペア:

[(1, 21222217520), (2, 10611108760), (4, 5305554380), (5, 4244443504), (7, 3031745360), (8, 2652777190), (10, 2122221752), (14, 1515872680), (16, 1326388595), (20, 1061110876), (28, 757936340), (35, 606349072), (40, 530555438), (49, 433106480), (56, 378968170), (70, 303174536), (80, 265277719), (98, 216553240), (112, 189484085), (140, 151587268), (157, 135173360), (196, 108276620), (245, 86621296), (280, 75793634), (314, 67586680), (392, 54138310), (490, 43310648), (560, 37896817), (628, 33793340), (784, 27069155), (785, 27034672), (980, 21655324), (1099, 19310480), (1256, 16896670), (1570, 13517336), (1960, 10827662), (2198, 9655240), (2512, 8448335), (3140, 6758668), (3920, 5413831), (4396, 4827620), (5495, 3862096), (6280, 3379334), (7693, 2758640), (8792, 2413810), (10990, 1931048), (12560, 1689667), (15386, 1379320), (17584, 1206905), (21980, 965524), (30772, 689660), (34483, 615440), (38465, 551728), (43960, 482762), (61544, 344830), (68966, 307720), (76930, 275864), (87920, 241381), (123088, 172415), (137932, 153860)]