21597816

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 35011464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 47, 82, 94, 123, 141, 164, 188, 246, 282, 328, 376, 467, 492, 564, 934, 984, 1128, 1401, 1868, 1927, 2802, 3736, 3854, 5604, 5781, 7708, 11208, 11562, 15416, 19147, 21949, 23124, 38294, 43898, 46248, 57441, 65847, 76588, 87796, 114882, 131694, 153176, 175592, 229764, 263388, 459528, 526776, 899909, 1799818, 2699727, 3599636, 5399454, 7199272, 10798908, 21597816]

約数ペア:

[(1, 21597816), (2, 10798908), (3, 7199272), (4, 5399454), (6, 3599636), (8, 2699727), (12, 1799818), (24, 899909), (41, 526776), (47, 459528), (82, 263388), (94, 229764), (123, 175592), (141, 153176), (164, 131694), (188, 114882), (246, 87796), (282, 76588), (328, 65847), (376, 57441), (467, 46248), (492, 43898), (564, 38294), (934, 23124), (984, 21949), (1128, 19147), (1401, 15416), (1868, 11562), (1927, 11208), (2802, 7708), (3736, 5781), (3854, 5604)]