21392024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 45792000

約数和(自身を除く): 24399976

約数列:

[1, 2, 4, 8, 19, 23, 29, 38, 46, 58, 76, 92, 116, 152, 184, 211, 232, 422, 437, 551, 667, 844, 874, 1102, 1334, 1688, 1748, 2204, 2668, 3496, 4009, 4408, 4853, 5336, 6119, 8018, 9706, 12238, 12673, 16036, 19412, 24476, 25346, 32072, 38824, 48952, 50692, 92207, 101384, 116261, 140737, 184414, 232522, 281474, 368828, 465044, 562948, 737656, 930088, 1125896, 2674003, 5348006, 10696012, 21392024]

約数ペア:

[(1, 21392024), (2, 10696012), (4, 5348006), (8, 2674003), (19, 1125896), (23, 930088), (29, 737656), (38, 562948), (46, 465044), (58, 368828), (76, 281474), (92, 232522), (116, 184414), (152, 140737), (184, 116261), (211, 101384), (232, 92207), (422, 50692), (437, 48952), (551, 38824), (667, 32072), (844, 25346), (874, 24476), (1102, 19412), (1334, 16036), (1688, 12673), (1748, 12238), (2204, 9706), (2668, 8018), (3496, 6119), (4009, 5336), (4408, 4853)]