21976470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4003}}^1$

素因数の和:4077

約数の個数: 48

約数和(自身を含む): 58090032

約数和(自身を除く): 36113562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 4003, 5490, 8006, 12009, 20015, 24018, 36027, 40030, 60045, 72054, 120090, 180135, 244183, 360270, 488366, 732549, 1220915, 1465098, 2197647, 2441830, 3662745, 4395294, 7325490, 10988235, 21976470]

約数ペア:

[(1, 21976470), (2, 10988235), (3, 7325490), (5, 4395294), (6, 3662745), (9, 2441830), (10, 2197647), (15, 1465098), (18, 1220915), (30, 732549), (45, 488366), (61, 360270), (90, 244183), (122, 180135), (183, 120090), (305, 72054), (366, 60045), (549, 40030), (610, 36027), (915, 24018), (1098, 20015), (1830, 12009), (2745, 8006), (4003, 5490)]