21004866

素因数分解:

$2^1\times 3^3\times {\mathrm{541}}^1\times {\mathrm{719}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 46828800

約数和(自身を除く): 25823934

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 541, 719, 1082, 1438, 1623, 2157, 3246, 4314, 4869, 6471, 9738, 12942, 14607, 19413, 29214, 38826, 388979, 777958, 1166937, 2333874, 3500811, 7001622, 10502433, 21004866]

約数ペア:

[(1, 21004866), (2, 10502433), (3, 7001622), (6, 3500811), (9, 2333874), (18, 1166937), (27, 777958), (54, 388979), (541, 38826), (719, 29214), (1082, 19413), (1438, 14607), (1623, 12942), (2157, 9738), (3246, 6471), (4314, 4869)]