21431996952

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{27283}}^1$

素因数の和:27824

約数の個数: 64

約数和(自身を含む): 54454498560

約数和(自身を除く): 33022501608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 461, 568, 852, 922, 1383, 1704, 1844, 2766, 3688, 5532, 11064, 27283, 32731, 54566, 65462, 81849, 98193, 109132, 130924, 163698, 196386, 218264, 261848, 327396, 392772, 654792, 785544, 1937093, 3874186, 5811279, 7748372, 11622558, 12577463, 15496744, 23245116, 25154926, 37732389, 46490232, 50309852, 75464778, 100619704, 150929556, 301859112, 892999873, 1785999746, 2678999619, 3571999492, 5357999238, 7143998984, 10715998476, 21431996952]

約数ペア:

[(1, 21431996952), (2, 10715998476), (3, 7143998984), (4, 5357999238), (6, 3571999492), (8, 2678999619), (12, 1785999746), (24, 892999873), (71, 301859112), (142, 150929556), (213, 100619704), (284, 75464778), (426, 50309852), (461, 46490232), (568, 37732389), (852, 25154926), (922, 23245116), (1383, 15496744), (1704, 12577463), (1844, 11622558), (2766, 7748372), (3688, 5811279), (5532, 3874186), (11064, 1937093), (27283, 785544), (32731, 654792), (54566, 392772), (65462, 327396), (81849, 261848), (98193, 218264), (109132, 196386), (130924, 163698)]