21956375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 10751209

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 1091, 2875, 4025, 5455, 7637, 20125, 25093, 27275, 38185, 125465, 136375, 175651, 190925, 627325, 878255, 954625, 3136625, 4391275, 21956375]

約数ペア:

[(1, 21956375), (5, 4391275), (7, 3136625), (23, 954625), (25, 878255), (35, 627325), (115, 190925), (125, 175651), (161, 136375), (175, 125465), (575, 38185), (805, 27275), (875, 25093), (1091, 20125), (2875, 7637), (4025, 5455)]