21791160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20177}}^1$

素因数の和:20197

約数の個数: 64

約数和(自身を含む): 72640800

約数和(自身を除く): 50849640

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20177, 40354, 60531, 80708, 100885, 121062, 161416, 181593, 201770, 242124, 302655, 363186, 403540, 484248, 544779, 605310, 726372, 807080, 907965, 1089558, 1210620, 1452744, 1815930, 2179116, 2421240, 2723895, 3631860, 4358232, 5447790, 7263720, 10895580, 21791160]

約数ペア:

[(1, 21791160), (2, 10895580), (3, 7263720), (4, 5447790), (5, 4358232), (6, 3631860), (8, 2723895), (9, 2421240), (10, 2179116), (12, 1815930), (15, 1452744), (18, 1210620), (20, 1089558), (24, 907965), (27, 807080), (30, 726372), (36, 605310), (40, 544779), (45, 484248), (54, 403540), (60, 363186), (72, 302655), (90, 242124), (108, 201770), (120, 181593), (135, 161416), (180, 121062), (216, 100885), (270, 80708), (360, 60531), (540, 40354), (1080, 20177)]