21626865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12323}}^1$

素因数の和:12350

約数の個数: 32

約数和(自身を含む): 41408640

約数和(自身を除く): 19781775

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12323, 36969, 61615, 110907, 160199, 184845, 332721, 480597, 554535, 800995, 1441791, 1663605, 2402985, 4325373, 7208955, 21626865]

約数ペア:

[(1, 21626865), (3, 7208955), (5, 4325373), (9, 2402985), (13, 1663605), (15, 1441791), (27, 800995), (39, 554535), (45, 480597), (65, 332721), (117, 184845), (135, 160199), (195, 110907), (351, 61615), (585, 36969), (1755, 12323)]