21912390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{81157}}^1$

素因数の和:81173

約数の個数: 32

約数和(自身を含む): 58433760

約数和(自身を除く): 36521370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 81157, 162314, 243471, 405785, 486942, 730413, 811570, 1217355, 1460826, 2191239, 2434710, 3652065, 4382478, 7304130, 10956195, 21912390]

約数ペア:

[(1, 21912390), (2, 10956195), (3, 7304130), (5, 4382478), (6, 3652065), (9, 2434710), (10, 2191239), (15, 1460826), (18, 1217355), (27, 811570), (30, 730413), (45, 486942), (54, 405785), (90, 243471), (135, 162314), (270, 81157)]