21000944775

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{733}}^1\times {\mathrm{5233}}^1$

素因数の和:6052

約数の個数: 48

約数和(自身を含む): 35251953056

約数和(自身を除く): 14251008281

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 733, 1095, 1825, 2199, 3665, 5233, 5475, 10995, 15699, 18325, 26165, 53509, 54975, 78495, 130825, 160527, 267545, 382009, 392475, 802635, 1146027, 1337725, 1910045, 3835789, 4013175, 5730135, 9550225, 11507367, 19178945, 28650675, 57536835, 95894725, 280012597, 287684175, 840037791, 1400062985, 4200188955, 7000314925, 21000944775]

約数ペア:

[(1, 21000944775), (3, 7000314925), (5, 4200188955), (15, 1400062985), (25, 840037791), (73, 287684175), (75, 280012597), (219, 95894725), (365, 57536835), (733, 28650675), (1095, 19178945), (1825, 11507367), (2199, 9550225), (3665, 5730135), (5233, 4013175), (5475, 3835789), (10995, 1910045), (15699, 1337725), (18325, 1146027), (26165, 802635), (53509, 392475), (54975, 382009), (78495, 267545), (130825, 160527)]