21278747214

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{63697}}^1$

素因数の和:64049

約数の個数: 48

約数和(自身を含む): 46961732688

約数和(自身を除く): 25682985474

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 277, 402, 554, 603, 831, 1206, 1662, 2493, 4986, 18559, 37118, 55677, 63697, 111354, 127394, 167031, 191091, 334062, 382182, 573273, 1146546, 4267699, 8535398, 12803097, 17644069, 25606194, 35288138, 38409291, 52932207, 76818582, 105864414, 158796621, 317593242, 1182152623, 2364305246, 3546457869, 7092915738, 10639373607, 21278747214]

約数ペア:

[(1, 21278747214), (2, 10639373607), (3, 7092915738), (6, 3546457869), (9, 2364305246), (18, 1182152623), (67, 317593242), (134, 158796621), (201, 105864414), (277, 76818582), (402, 52932207), (554, 38409291), (603, 35288138), (831, 25606194), (1206, 17644069), (1662, 12803097), (2493, 8535398), (4986, 4267699), (18559, 1146546), (37118, 573273), (55677, 382182), (63697, 334062), (111354, 191091), (127394, 167031)]