21027610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19407590

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2339, 4495, 4678, 8990, 11695, 23390, 67831, 72509, 135662, 145018, 339155, 362545, 678310, 725090, 2102761, 4205522, 10513805, 21027610]

約数ペア:

[(1, 21027610), (2, 10513805), (5, 4205522), (10, 2102761), (29, 725090), (31, 678310), (58, 362545), (62, 339155), (145, 145018), (155, 135662), (290, 72509), (310, 67831), (899, 23390), (1798, 11695), (2339, 8990), (4495, 4678)]