21041684076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{5701}}^1\times {\mathrm{6277}}^1$

素因数の和:11999

約数の個数: 72

約数和(自身を含む): 57132260976

約数和(自身を除く): 36090576900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 5701, 6277, 11402, 12554, 17103, 18831, 22804, 25108, 34206, 37662, 39907, 43939, 68412, 75324, 79814, 87878, 119721, 131817, 159628, 175756, 239442, 263634, 279349, 307573, 478884, 527268, 558698, 615146, 838047, 922719, 1117396, 1230292, 1676094, 1845438, 3352188, 3690876, 35785177, 71570354, 107355531, 143140708, 214711062, 250496239, 429422124, 500992478, 751488717, 1001984956, 1502977434, 1753473673, 3005954868, 3506947346, 5260421019, 7013894692, 10520842038, 21041684076]

約数ペア:

[(1, 21041684076), (2, 10520842038), (3, 7013894692), (4, 5260421019), (6, 3506947346), (7, 3005954868), (12, 1753473673), (14, 1502977434), (21, 1001984956), (28, 751488717), (42, 500992478), (49, 429422124), (84, 250496239), (98, 214711062), (147, 143140708), (196, 107355531), (294, 71570354), (588, 35785177), (5701, 3690876), (6277, 3352188), (11402, 1845438), (12554, 1676094), (17103, 1230292), (18831, 1117396), (22804, 922719), (25108, 838047), (34206, 615146), (37662, 558698), (39907, 527268), (43939, 478884), (68412, 307573), (75324, 279349), (79814, 263634), (87878, 239442), (119721, 175756), (131817, 159628)]