21763625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 8113495

約数列:

[1, 5, 13, 25, 59, 65, 125, 227, 295, 325, 767, 1135, 1475, 1625, 2951, 3835, 5675, 7375, 13393, 14755, 19175, 28375, 66965, 73775, 95875, 174109, 334825, 368875, 870545, 1674125, 4352725, 21763625]

約数ペア:

[(1, 21763625), (5, 4352725), (13, 1674125), (25, 870545), (59, 368875), (65, 334825), (125, 174109), (227, 95875), (295, 73775), (325, 66965), (767, 28375), (1135, 19175), (1475, 14755), (1625, 13393), (2951, 7375), (3835, 5675)]