21085560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1637

約数の個数: 96

約数和(自身を含む): 70424640

約数和(自身を除く): 49339080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1583, 1665, 2220, 2664, 3166, 3330, 4440, 4749, 6332, 6660, 7915, 9498, 12664, 13320, 14247, 15830, 18996, 23745, 28494, 31660, 37992, 47490, 56988, 58571, 63320, 71235, 94980, 113976, 117142, 142470, 175713, 189960, 234284, 284940, 292855, 351426, 468568, 527139, 569880, 585710, 702852, 878565, 1054278, 1171420, 1405704, 1757130, 2108556, 2342840, 2635695, 3514260, 4217112, 5271390, 7028520, 10542780, 21085560]

約数ペア:

[(1, 21085560), (2, 10542780), (3, 7028520), (4, 5271390), (5, 4217112), (6, 3514260), (8, 2635695), (9, 2342840), (10, 2108556), (12, 1757130), (15, 1405704), (18, 1171420), (20, 1054278), (24, 878565), (30, 702852), (36, 585710), (37, 569880), (40, 527139), (45, 468568), (60, 351426), (72, 292855), (74, 284940), (90, 234284), (111, 189960), (120, 175713), (148, 142470), (180, 117142), (185, 113976), (222, 94980), (296, 71235), (333, 63320), (360, 58571), (370, 56988), (444, 47490), (555, 37992), (666, 31660), (740, 28494), (888, 23745), (1110, 18996), (1332, 15830), (1480, 14247), (1583, 13320), (1665, 12664), (2220, 9498), (2664, 7915), (3166, 6660), (3330, 6332), (4440, 4749)]