21339084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 55085408

約数和(自身を除く): 33746324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3697, 5772, 7394, 11091, 14788, 22182, 44364, 48061, 96122, 136789, 144183, 192244, 273578, 288366, 410367, 547156, 576732, 820734, 1641468, 1778257, 3556514, 5334771, 7113028, 10669542, 21339084]

約数ペア:

[(1, 21339084), (2, 10669542), (3, 7113028), (4, 5334771), (6, 3556514), (12, 1778257), (13, 1641468), (26, 820734), (37, 576732), (39, 547156), (52, 410367), (74, 288366), (78, 273578), (111, 192244), (148, 144183), (156, 136789), (222, 96122), (444, 48061), (481, 44364), (962, 22182), (1443, 14788), (1924, 11091), (2886, 7394), (3697, 5772)]