21798045

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 39402240

約数和(自身を除く): 17604195

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2647, 2745, 7941, 8235, 13235, 23823, 39705, 71469, 119115, 161467, 357345, 484401, 807335, 1453203, 2422005, 4359609, 7266015, 21798045]

約数ペア:

[(1, 21798045), (3, 7266015), (5, 4359609), (9, 2422005), (15, 1453203), (27, 807335), (45, 484401), (61, 357345), (135, 161467), (183, 119115), (305, 71469), (549, 39705), (915, 23823), (1647, 13235), (2647, 8235), (2745, 7941)]