21541218

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23248542

約数列:

[1, 2, 3, 6, 31, 62, 93, 179, 186, 358, 537, 647, 1074, 1294, 1941, 3882, 5549, 11098, 16647, 20057, 33294, 40114, 60171, 115813, 120342, 231626, 347439, 694878, 3590203, 7180406, 10770609, 21541218]

約数ペア:

[(1, 21541218), (2, 10770609), (3, 7180406), (6, 3590203), (31, 694878), (62, 347439), (93, 231626), (179, 120342), (186, 115813), (358, 60171), (537, 40114), (647, 33294), (1074, 20057), (1294, 16647), (1941, 11098), (3882, 5549)]