2158506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 5501184

約数和(自身を除く): 3342678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 463, 518, 666, 777, 926, 1389, 1554, 2331, 2778, 3241, 4167, 4662, 6482, 8334, 9723, 17131, 19446, 29169, 34262, 51393, 58338, 102786, 119917, 154179, 239834, 308358, 359751, 719502, 1079253, 2158506]

約数ペア:

[(1, 2158506), (2, 1079253), (3, 719502), (6, 359751), (7, 308358), (9, 239834), (14, 154179), (18, 119917), (21, 102786), (37, 58338), (42, 51393), (63, 34262), (74, 29169), (111, 19446), (126, 17131), (222, 9723), (259, 8334), (333, 6482), (463, 4662), (518, 4167), (666, 3241), (777, 2778), (926, 2331), (1389, 1554)]