21285132

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1427}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 33412980

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 113, 132, 226, 339, 452, 678, 1243, 1356, 1427, 2486, 2854, 3729, 4281, 4972, 5708, 7458, 8562, 14916, 15697, 17124, 31394, 47091, 62788, 94182, 161251, 188364, 322502, 483753, 645004, 967506, 1773761, 1935012, 3547522, 5321283, 7095044, 10642566, 21285132]

約数ペア:

[(1, 21285132), (2, 10642566), (3, 7095044), (4, 5321283), (6, 3547522), (11, 1935012), (12, 1773761), (22, 967506), (33, 645004), (44, 483753), (66, 322502), (113, 188364), (132, 161251), (226, 94182), (339, 62788), (452, 47091), (678, 31394), (1243, 17124), (1356, 15697), (1427, 14916), (2486, 8562), (2854, 7458), (3729, 5708), (4281, 4972)]