21795150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11177}}^1$

素因数の和:11205

約数の個数: 48

約数和(自身を含む): 58215024

約数和(自身を除く): 36419874

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11177, 22354, 33531, 55885, 67062, 111770, 145301, 167655, 279425, 290602, 335310, 435903, 558850, 726505, 838275, 871806, 1453010, 1676550, 2179515, 3632525, 4359030, 7265050, 10897575, 21795150]

約数ペア:

[(1, 21795150), (2, 10897575), (3, 7265050), (5, 4359030), (6, 3632525), (10, 2179515), (13, 1676550), (15, 1453010), (25, 871806), (26, 838275), (30, 726505), (39, 558850), (50, 435903), (65, 335310), (75, 290602), (78, 279425), (130, 167655), (150, 145301), (195, 111770), (325, 67062), (390, 55885), (650, 33531), (975, 22354), (1950, 11177)]