21931330

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 40555440

約数和(自身を除く): 18624110

約数列:

[1, 2, 5, 10, 61, 122, 157, 229, 305, 314, 458, 610, 785, 1145, 1570, 2290, 9577, 13969, 19154, 27938, 35953, 47885, 69845, 71906, 95770, 139690, 179765, 359530, 2193133, 4386266, 10965665, 21931330]

約数ペア:

[(1, 21931330), (2, 10965665), (5, 4386266), (10, 2193133), (61, 359530), (122, 179765), (157, 139690), (229, 95770), (305, 71906), (314, 69845), (458, 47885), (610, 35953), (785, 27938), (1145, 19154), (1570, 13969), (2290, 9577)]