21205624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3301}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 43982640

約数和(自身を除く): 22777016

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3301, 6424, 6602, 13204, 26408, 36311, 72622, 145244, 240973, 290488, 481946, 963892, 1927784, 2650703, 5301406, 10602812, 21205624]

約数ペア:

[(1, 21205624), (2, 10602812), (4, 5301406), (8, 2650703), (11, 1927784), (22, 963892), (44, 481946), (73, 290488), (88, 240973), (146, 145244), (292, 72622), (584, 36311), (803, 26408), (1606, 13204), (3212, 6602), (3301, 6424)]