21463380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13249}}^1$

素因数の和:13270

約数の個数: 60

約数和(自身を含む): 67336500

約数和(自身を除く): 45873120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13249, 26498, 39747, 52996, 66245, 79494, 119241, 132490, 158988, 198735, 238482, 264980, 357723, 397470, 476964, 596205, 715446, 794940, 1073169, 1192410, 1430892, 1788615, 2146338, 2384820, 3577230, 4292676, 5365845, 7154460, 10731690, 21463380]

約数ペア:

[(1, 21463380), (2, 10731690), (3, 7154460), (4, 5365845), (5, 4292676), (6, 3577230), (9, 2384820), (10, 2146338), (12, 1788615), (15, 1430892), (18, 1192410), (20, 1073169), (27, 794940), (30, 715446), (36, 596205), (45, 476964), (54, 397470), (60, 357723), (81, 264980), (90, 238482), (108, 198735), (135, 158988), (162, 132490), (180, 119241), (270, 79494), (324, 66245), (405, 52996), (540, 39747), (810, 26498), (1620, 13249)]