21275580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5813}}^1$

素因数の和:5886

約数の個数: 48

約数和(自身を含む): 60558624

約数和(自身を除く): 39283044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5813, 11626, 17439, 23252, 29065, 34878, 58130, 69756, 87195, 116260, 174390, 348780, 354593, 709186, 1063779, 1418372, 1772965, 2127558, 3545930, 4255116, 5318895, 7091860, 10637790, 21275580]

約数ペア:

[(1, 21275580), (2, 10637790), (3, 7091860), (4, 5318895), (5, 4255116), (6, 3545930), (10, 2127558), (12, 1772965), (15, 1418372), (20, 1063779), (30, 709186), (60, 354593), (61, 348780), (122, 174390), (183, 116260), (244, 87195), (305, 69756), (366, 58130), (610, 34878), (732, 29065), (915, 23252), (1220, 17439), (1830, 11626), (3660, 5813)]