21035760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87649}}^1$

素因数の和:87665

約数の個数: 40

約数和(自身を含む): 65211600

約数和(自身を除く): 44175840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87649, 175298, 262947, 350596, 438245, 525894, 701192, 876490, 1051788, 1314735, 1402384, 1752980, 2103576, 2629470, 3505960, 4207152, 5258940, 7011920, 10517880, 21035760]

約数ペア:

[(1, 21035760), (2, 10517880), (3, 7011920), (4, 5258940), (5, 4207152), (6, 3505960), (8, 2629470), (10, 2103576), (12, 1752980), (15, 1402384), (16, 1314735), (20, 1051788), (24, 876490), (30, 701192), (40, 525894), (48, 438245), (60, 350596), (80, 262947), (120, 175298), (240, 87649)]