21493962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{953}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 32082678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 179, 358, 537, 953, 1074, 1253, 1611, 1906, 2506, 2859, 3222, 3759, 5718, 6671, 7518, 8577, 11277, 13342, 17154, 20013, 22554, 40026, 60039, 120078, 170587, 341174, 511761, 1023522, 1194109, 1535283, 2388218, 3070566, 3582327, 7164654, 10746981, 21493962]

約数ペア:

[(1, 21493962), (2, 10746981), (3, 7164654), (6, 3582327), (7, 3070566), (9, 2388218), (14, 1535283), (18, 1194109), (21, 1023522), (42, 511761), (63, 341174), (126, 170587), (179, 120078), (358, 60039), (537, 40026), (953, 22554), (1074, 20013), (1253, 17154), (1611, 13342), (1906, 11277), (2506, 8577), (2859, 7518), (3222, 6671), (3759, 5718)]