21350016

素因数分解:

$2^7\times 3^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 63011520

約数和(自身を除く): 41661504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 128, 129, 144, 172, 192, 258, 288, 344, 384, 387, 431, 516, 576, 688, 774, 862, 1032, 1152, 1293, 1376, 1548, 1724, 2064, 2586, 2752, 3096, 3448, 3879, 4128, 5172, 5504, 6192, 6896, 7758, 8256, 10344, 12384, 13792, 15516, 16512, 18533, 20688, 24768, 27584, 31032, 37066, 41376, 49536, 55168, 55599, 62064, 74132, 82752, 111198, 124128, 148264, 165504, 166797, 222396, 248256, 296528, 333594, 444792, 496512, 593056, 667188, 889584, 1186112, 1334376, 1779168, 2372224, 2668752, 3558336, 5337504, 7116672, 10675008, 21350016]

約数ペア:

[(1, 21350016), (2, 10675008), (3, 7116672), (4, 5337504), (6, 3558336), (8, 2668752), (9, 2372224), (12, 1779168), (16, 1334376), (18, 1186112), (24, 889584), (32, 667188), (36, 593056), (43, 496512), (48, 444792), (64, 333594), (72, 296528), (86, 248256), (96, 222396), (128, 166797), (129, 165504), (144, 148264), (172, 124128), (192, 111198), (258, 82752), (288, 74132), (344, 62064), (384, 55599), (387, 55168), (431, 49536), (516, 41376), (576, 37066), (688, 31032), (774, 27584), (862, 24768), (1032, 20688), (1152, 18533), (1293, 16512), (1376, 15516), (1548, 13792), (1724, 12384), (2064, 10344), (2586, 8256), (2752, 7758), (3096, 6896), (3448, 6192), (3879, 5504), (4128, 5172)]