21761844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 33274956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 701, 796, 1194, 1402, 2103, 2388, 2587, 2804, 4206, 5174, 7761, 8412, 9113, 10348, 15522, 18226, 27339, 31044, 36452, 54678, 109356, 139499, 278998, 418497, 557996, 836994, 1673988, 1813487, 3626974, 5440461, 7253948, 10880922, 21761844]

約数ペア:

[(1, 21761844), (2, 10880922), (3, 7253948), (4, 5440461), (6, 3626974), (12, 1813487), (13, 1673988), (26, 836994), (39, 557996), (52, 418497), (78, 278998), (156, 139499), (199, 109356), (398, 54678), (597, 36452), (701, 31044), (796, 27339), (1194, 18226), (1402, 15522), (2103, 10348), (2388, 9113), (2587, 8412), (2804, 7761), (4206, 5174)]