21526020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39863}}^1$

素因数の和:39881

約数の個数: 48

約数和(自身を含む): 66971520

約数和(自身を除く): 45445500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39863, 79726, 119589, 159452, 199315, 239178, 358767, 398630, 478356, 597945, 717534, 797260, 1076301, 1195890, 1435068, 1793835, 2152602, 2391780, 3587670, 4305204, 5381505, 7175340, 10763010, 21526020]

約数ペア:

[(1, 21526020), (2, 10763010), (3, 7175340), (4, 5381505), (5, 4305204), (6, 3587670), (9, 2391780), (10, 2152602), (12, 1793835), (15, 1435068), (18, 1195890), (20, 1076301), (27, 797260), (30, 717534), (36, 597945), (45, 478356), (54, 398630), (60, 358767), (90, 239178), (108, 199315), (135, 159452), (180, 119589), (270, 79726), (540, 39863)]