21070294570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1\times {\mathrm{2371}}^1$

素因数の和:2935

約数の個数: 64

約数和(自身を含む): 41186952576

約数和(自身を除く): 20116658006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 347, 394, 694, 985, 1735, 1970, 2371, 2561, 3470, 4511, 4742, 5122, 9022, 11855, 12805, 22555, 23710, 25610, 30823, 45110, 61646, 68359, 136718, 154115, 308230, 341795, 467087, 683590, 822737, 888667, 934174, 1645474, 1777334, 2335435, 4113685, 4443335, 4670870, 6072131, 8227370, 8886670, 10695581, 12144262, 21391162, 30360655, 53477905, 60721310, 106955810, 162079189, 324158378, 810395945, 1620791890, 2107029457, 4214058914, 10535147285, 21070294570]

約数ペア:

[(1, 21070294570), (2, 10535147285), (5, 4214058914), (10, 2107029457), (13, 1620791890), (26, 810395945), (65, 324158378), (130, 162079189), (197, 106955810), (347, 60721310), (394, 53477905), (694, 30360655), (985, 21391162), (1735, 12144262), (1970, 10695581), (2371, 8886670), (2561, 8227370), (3470, 6072131), (4511, 4670870), (4742, 4443335), (5122, 4113685), (9022, 2335435), (11855, 1777334), (12805, 1645474), (22555, 934174), (23710, 888667), (25610, 822737), (30823, 683590), (45110, 467087), (61646, 341795), (68359, 308230), (136718, 154115)]