21929805

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 17710515

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2663, 2745, 7989, 8235, 13315, 23967, 39945, 71901, 119835, 162443, 359505, 487329, 812215, 1461987, 2436645, 4385961, 7309935, 21929805]

約数ペア:

[(1, 21929805), (3, 7309935), (5, 4385961), (9, 2436645), (15, 1461987), (27, 812215), (45, 487329), (61, 359505), (135, 162443), (183, 119835), (305, 71901), (549, 39945), (915, 23967), (1647, 13315), (2663, 8235), (2745, 7989)]