21229680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 67093920

約数和(自身を除く): 45864240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1669, 2120, 2544, 3180, 3338, 4240, 5007, 6360, 6676, 8345, 10014, 12720, 13352, 16690, 20028, 25035, 26704, 33380, 40056, 50070, 66760, 80112, 88457, 100140, 133520, 176914, 200280, 265371, 353828, 400560, 442285, 530742, 707656, 884570, 1061484, 1326855, 1415312, 1769140, 2122968, 2653710, 3538280, 4245936, 5307420, 7076560, 10614840, 21229680]

約数ペア:

[(1, 21229680), (2, 10614840), (3, 7076560), (4, 5307420), (5, 4245936), (6, 3538280), (8, 2653710), (10, 2122968), (12, 1769140), (15, 1415312), (16, 1326855), (20, 1061484), (24, 884570), (30, 707656), (40, 530742), (48, 442285), (53, 400560), (60, 353828), (80, 265371), (106, 200280), (120, 176914), (159, 133520), (212, 100140), (240, 88457), (265, 80112), (318, 66760), (424, 50070), (530, 40056), (636, 33380), (795, 26704), (848, 25035), (1060, 20028), (1272, 16690), (1590, 13352), (1669, 12720), (2120, 10014), (2544, 8345), (3180, 6676), (3338, 6360), (4240, 5007)]