21073425280

素因数分解:

$2^7\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{14879}}^1$

素因数の和:17111

約数の個数: 64

約数和(自身を含む): 50404809600

約数和(自身を除く): 29331384320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2213, 4426, 8852, 11065, 14879, 17704, 22130, 29758, 35408, 44260, 59516, 70816, 74395, 88520, 119032, 141632, 148790, 177040, 238064, 283264, 297580, 354080, 476128, 595160, 708160, 952256, 1190320, 1416320, 1904512, 2380640, 4761280, 9522560, 32927227, 65854454, 131708908, 164636135, 263417816, 329272270, 526835632, 658544540, 1053671264, 1317089080, 2107342528, 2634178160, 4214685056, 5268356320, 10536712640, 21073425280]

約数ペア:

[(1, 21073425280), (2, 10536712640), (4, 5268356320), (5, 4214685056), (8, 2634178160), (10, 2107342528), (16, 1317089080), (20, 1053671264), (32, 658544540), (40, 526835632), (64, 329272270), (80, 263417816), (128, 164636135), (160, 131708908), (320, 65854454), (640, 32927227), (2213, 9522560), (4426, 4761280), (8852, 2380640), (11065, 1904512), (14879, 1416320), (17704, 1190320), (22130, 952256), (29758, 708160), (35408, 595160), (44260, 476128), (59516, 354080), (70816, 297580), (74395, 283264), (88520, 238064), (119032, 177040), (141632, 148790)]