21856290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3023}}^1$

素因数の和:3274

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 30833886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 241, 482, 723, 1205, 1446, 2410, 3023, 3615, 6046, 7230, 9069, 15115, 18138, 30230, 45345, 90690, 728543, 1457086, 2185629, 3642715, 4371258, 7285430, 10928145, 21856290]

約数ペア:

[(1, 21856290), (2, 10928145), (3, 7285430), (5, 4371258), (6, 3642715), (10, 2185629), (15, 1457086), (30, 728543), (241, 90690), (482, 45345), (723, 30230), (1205, 18138), (1446, 15115), (2410, 9069), (3023, 7230), (3615, 6046)]