21912120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6763}}^1$

素因数の和:6786

約数の個数: 80

約数和(自身を含む): 73659960

約数和(自身を除く): 51747840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6763, 13526, 20289, 27052, 33815, 40578, 54104, 60867, 67630, 81156, 101445, 121734, 135260, 162312, 182601, 202890, 243468, 270520, 304335, 365202, 405780, 486936, 547803, 608670, 730404, 811560, 913005, 1095606, 1217340, 1460808, 1826010, 2191212, 2434680, 2739015, 3652020, 4382424, 5478030, 7304040, 10956060, 21912120]

約数ペア:

[(1, 21912120), (2, 10956060), (3, 7304040), (4, 5478030), (5, 4382424), (6, 3652020), (8, 2739015), (9, 2434680), (10, 2191212), (12, 1826010), (15, 1460808), (18, 1217340), (20, 1095606), (24, 913005), (27, 811560), (30, 730404), (36, 608670), (40, 547803), (45, 486936), (54, 405780), (60, 365202), (72, 304335), (81, 270520), (90, 243468), (108, 202890), (120, 182601), (135, 162312), (162, 135260), (180, 121734), (216, 101445), (270, 81156), (324, 67630), (360, 60867), (405, 54104), (540, 40578), (648, 33815), (810, 27052), (1080, 20289), (1620, 13526), (3240, 6763)]