21277069780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{12911}}^1$

素因数の和:13105

約数の個数: 96

約数和(自身を含む): 48963543552

約数和(自身を除く): 27686473772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 131, 148, 170, 185, 262, 340, 370, 524, 629, 655, 740, 1258, 1310, 2227, 2516, 2620, 3145, 4454, 4847, 6290, 8908, 9694, 11135, 12580, 12911, 19388, 22270, 24235, 25822, 44540, 48470, 51644, 64555, 82399, 96940, 129110, 164798, 219487, 258220, 329596, 411995, 438974, 477707, 823990, 877948, 955414, 1097435, 1647980, 1691341, 1910828, 2194870, 2388535, 3382682, 4389740, 4777070, 6765364, 8121019, 8456705, 9554140, 16242038, 16913410, 28752797, 32484076, 33826820, 40605095, 57505594, 62579617, 81210190, 115011188, 125159234, 143763985, 162420380, 250318468, 287527970, 312898085, 575055940, 625796170, 1063853489, 1251592340, 2127706978, 4255413956, 5319267445, 10638534890, 21277069780]

約数ペア:

[(1, 21277069780), (2, 10638534890), (4, 5319267445), (5, 4255413956), (10, 2127706978), (17, 1251592340), (20, 1063853489), (34, 625796170), (37, 575055940), (68, 312898085), (74, 287527970), (85, 250318468), (131, 162420380), (148, 143763985), (170, 125159234), (185, 115011188), (262, 81210190), (340, 62579617), (370, 57505594), (524, 40605095), (629, 33826820), (655, 32484076), (740, 28752797), (1258, 16913410), (1310, 16242038), (2227, 9554140), (2516, 8456705), (2620, 8121019), (3145, 6765364), (4454, 4777070), (4847, 4389740), (6290, 3382682), (8908, 2388535), (9694, 2194870), (11135, 1910828), (12580, 1691341), (12911, 1647980), (19388, 1097435), (22270, 955414), (24235, 877948), (25822, 823990), (44540, 477707), (48470, 438974), (51644, 411995), (64555, 329596), (82399, 258220), (96940, 219487), (129110, 164798)]