21209208

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 35469192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 696, 744, 899, 983, 1798, 1966, 2697, 2949, 3596, 3932, 5394, 5898, 7192, 7864, 10788, 11796, 21576, 23592, 28507, 30473, 57014, 60946, 85521, 91419, 114028, 121892, 171042, 182838, 228056, 243784, 342084, 365676, 684168, 731352, 883717, 1767434, 2651151, 3534868, 5302302, 7069736, 10604604, 21209208]

約数ペア:

[(1, 21209208), (2, 10604604), (3, 7069736), (4, 5302302), (6, 3534868), (8, 2651151), (12, 1767434), (24, 883717), (29, 731352), (31, 684168), (58, 365676), (62, 342084), (87, 243784), (93, 228056), (116, 182838), (124, 171042), (174, 121892), (186, 114028), (232, 91419), (248, 85521), (348, 60946), (372, 57014), (696, 30473), (744, 28507), (899, 23592), (983, 21576), (1798, 11796), (1966, 10788), (2697, 7864), (2949, 7192), (3596, 5898), (3932, 5394)]