21901920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 69818112

約数和(自身を除く): 47916192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 103, 120, 160, 206, 240, 309, 412, 443, 480, 515, 618, 824, 886, 1030, 1236, 1329, 1545, 1648, 1772, 2060, 2215, 2472, 2658, 3090, 3296, 3544, 4120, 4430, 4944, 5316, 6180, 6645, 7088, 8240, 8860, 9888, 10632, 12360, 13290, 14176, 16480, 17720, 21264, 24720, 26580, 35440, 42528, 45629, 49440, 53160, 70880, 91258, 106320, 136887, 182516, 212640, 228145, 273774, 365032, 456290, 547548, 684435, 730064, 912580, 1095096, 1368870, 1460128, 1825160, 2190192, 2737740, 3650320, 4380384, 5475480, 7300640, 10950960, 21901920]

約数ペア:

[(1, 21901920), (2, 10950960), (3, 7300640), (4, 5475480), (5, 4380384), (6, 3650320), (8, 2737740), (10, 2190192), (12, 1825160), (15, 1460128), (16, 1368870), (20, 1095096), (24, 912580), (30, 730064), (32, 684435), (40, 547548), (48, 456290), (60, 365032), (80, 273774), (96, 228145), (103, 212640), (120, 182516), (160, 136887), (206, 106320), (240, 91258), (309, 70880), (412, 53160), (443, 49440), (480, 45629), (515, 42528), (618, 35440), (824, 26580), (886, 24720), (1030, 21264), (1236, 17720), (1329, 16480), (1545, 14176), (1648, 13290), (1772, 12360), (2060, 10632), (2215, 9888), (2472, 8860), (2658, 8240), (3090, 7088), (3296, 6645), (3544, 6180), (4120, 5316), (4430, 4944)]