21007590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 51676272

約数和(自身を除く): 30668682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 317, 470, 634, 705, 951, 1410, 1585, 1902, 2209, 3170, 4418, 4755, 6627, 9510, 11045, 13254, 14899, 22090, 29798, 33135, 44697, 66270, 74495, 89394, 148990, 223485, 446970, 700253, 1400506, 2100759, 3501265, 4201518, 7002530, 10503795, 21007590]

約数ペア:

[(1, 21007590), (2, 10503795), (3, 7002530), (5, 4201518), (6, 3501265), (10, 2100759), (15, 1400506), (30, 700253), (47, 446970), (94, 223485), (141, 148990), (235, 89394), (282, 74495), (317, 66270), (470, 44697), (634, 33135), (705, 29798), (951, 22090), (1410, 14899), (1585, 13254), (1902, 11045), (2209, 9510), (3170, 6627), (4418, 4755)]