21576750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2246

約数の個数: 64

約数和(自身を含む): 58024512

約数和(自身を除く): 36447762

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2213, 3250, 4426, 4875, 6639, 9750, 11065, 13278, 22130, 28769, 33195, 55325, 57538, 66390, 86307, 110650, 143845, 165975, 172614, 276625, 287690, 331950, 431535, 553250, 719225, 829875, 863070, 1438450, 1659750, 2157675, 3596125, 4315350, 7192250, 10788375, 21576750]

約数ペア:

[(1, 21576750), (2, 10788375), (3, 7192250), (5, 4315350), (6, 3596125), (10, 2157675), (13, 1659750), (15, 1438450), (25, 863070), (26, 829875), (30, 719225), (39, 553250), (50, 431535), (65, 331950), (75, 287690), (78, 276625), (125, 172614), (130, 165975), (150, 143845), (195, 110650), (250, 86307), (325, 66390), (375, 57538), (390, 55325), (650, 33195), (750, 28769), (975, 22130), (1625, 13278), (1950, 11065), (2213, 9750), (3250, 6639), (4426, 4875)]