21922565

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 9858811

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 241, 565, 791, 805, 1205, 1687, 2599, 3955, 5543, 8435, 12995, 18193, 27233, 27715, 38801, 90965, 136165, 190631, 194005, 626359, 953155, 3131795, 4384513, 21922565]

約数ペア:

[(1, 21922565), (5, 4384513), (7, 3131795), (23, 953155), (35, 626359), (113, 194005), (115, 190631), (161, 136165), (241, 90965), (565, 38801), (791, 27715), (805, 27233), (1205, 18193), (1687, 12995), (2599, 8435), (3955, 5543)]