21685080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9511}}^1$

素因数の和:9544

約数の個数: 64

約数和(自身を含む): 68486400

約数和(自身を除く): 46801320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9511, 19022, 28533, 38044, 47555, 57066, 76088, 95110, 114132, 142665, 180709, 190220, 228264, 285330, 361418, 380440, 542127, 570660, 722836, 903545, 1084254, 1141320, 1445672, 1807090, 2168508, 2710635, 3614180, 4337016, 5421270, 7228360, 10842540, 21685080]

約数ペア:

[(1, 21685080), (2, 10842540), (3, 7228360), (4, 5421270), (5, 4337016), (6, 3614180), (8, 2710635), (10, 2168508), (12, 1807090), (15, 1445672), (19, 1141320), (20, 1084254), (24, 903545), (30, 722836), (38, 570660), (40, 542127), (57, 380440), (60, 361418), (76, 285330), (95, 228264), (114, 190220), (120, 180709), (152, 142665), (190, 114132), (228, 95110), (285, 76088), (380, 57066), (456, 47555), (570, 38044), (760, 28533), (1140, 19022), (2280, 9511)]