21893844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3756

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 37328172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3671, 5964, 7342, 11013, 14684, 22026, 25697, 44052, 51394, 77091, 102788, 154182, 260641, 308364, 521282, 781923, 1042564, 1563846, 1824487, 3127692, 3648974, 5473461, 7297948, 10946922, 21893844]

約数ペア:

[(1, 21893844), (2, 10946922), (3, 7297948), (4, 5473461), (6, 3648974), (7, 3127692), (12, 1824487), (14, 1563846), (21, 1042564), (28, 781923), (42, 521282), (71, 308364), (84, 260641), (142, 154182), (213, 102788), (284, 77091), (426, 51394), (497, 44052), (852, 25697), (994, 22026), (1491, 14684), (1988, 11013), (2982, 7342), (3671, 5964)]