21135180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 66705408

約数和(自身を除く): 45570228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1033, 1364, 1705, 1860, 2046, 2066, 3099, 3410, 4092, 4132, 5115, 5165, 6198, 6820, 10230, 10330, 11363, 12396, 15495, 20460, 20660, 22726, 30990, 32023, 34089, 45452, 56815, 61980, 64046, 68178, 96069, 113630, 128092, 136356, 160115, 170445, 192138, 227260, 320230, 340890, 352253, 384276, 480345, 640460, 681780, 704506, 960690, 1056759, 1409012, 1761265, 1921380, 2113518, 3522530, 4227036, 5283795, 7045060, 10567590, 21135180]

約数ペア:

[(1, 21135180), (2, 10567590), (3, 7045060), (4, 5283795), (5, 4227036), (6, 3522530), (10, 2113518), (11, 1921380), (12, 1761265), (15, 1409012), (20, 1056759), (22, 960690), (30, 704506), (31, 681780), (33, 640460), (44, 480345), (55, 384276), (60, 352253), (62, 340890), (66, 320230), (93, 227260), (110, 192138), (124, 170445), (132, 160115), (155, 136356), (165, 128092), (186, 113630), (220, 96069), (310, 68178), (330, 64046), (341, 61980), (372, 56815), (465, 45452), (620, 34089), (660, 32023), (682, 30990), (930, 22726), (1023, 20660), (1033, 20460), (1364, 15495), (1705, 12396), (1860, 11363), (2046, 10330), (2066, 10230), (3099, 6820), (3410, 6198), (4092, 5165), (4132, 5115)]