21341125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 29981952

約数和(自身を除く): 8640827

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 571, 575, 1495, 1625, 2855, 2875, 7423, 7475, 13133, 14275, 37115, 37375, 65665, 71375, 170729, 185575, 328325, 853645, 927875, 1641625, 4268225, 21341125]

約数ペア:

[(1, 21341125), (5, 4268225), (13, 1641625), (23, 927875), (25, 853645), (65, 328325), (115, 185575), (125, 170729), (299, 71375), (325, 65665), (571, 37375), (575, 37115), (1495, 14275), (1625, 13133), (2855, 7475), (2875, 7423)]