21637380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11633}}^1$

素因数の和:11676

約数の個数: 48

約数和(自身を含む): 62544384

約数和(自身を除く): 40907004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11633, 23266, 34899, 46532, 58165, 69798, 116330, 139596, 174495, 232660, 348990, 360623, 697980, 721246, 1081869, 1442492, 1803115, 2163738, 3606230, 4327476, 5409345, 7212460, 10818690, 21637380]

約数ペア:

[(1, 21637380), (2, 10818690), (3, 7212460), (4, 5409345), (5, 4327476), (6, 3606230), (10, 2163738), (12, 1803115), (15, 1442492), (20, 1081869), (30, 721246), (31, 697980), (60, 360623), (62, 348990), (93, 232660), (124, 174495), (155, 139596), (186, 116330), (310, 69798), (372, 58165), (465, 46532), (620, 34899), (930, 23266), (1860, 11633)]