21617490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9871}}^1$

素因数の和:9954

約数の個数: 32

約数和(自身を含む): 52598016

約数和(自身を除く): 30980526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9871, 19742, 29613, 49355, 59226, 98710, 148065, 296130, 720583, 1441166, 2161749, 3602915, 4323498, 7205830, 10808745, 21617490]

約数ペア:

[(1, 21617490), (2, 10808745), (3, 7205830), (5, 4323498), (6, 3602915), (10, 2161749), (15, 1441166), (30, 720583), (73, 296130), (146, 148065), (219, 98710), (365, 59226), (438, 49355), (730, 29613), (1095, 19742), (2190, 9871)]