21385644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8779}}^1$

素因数の和:8822

約数の個数: 48

約数和(自身を含む): 59001600

約数和(自身を除く): 37615956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8779, 17558, 26337, 35116, 52674, 61453, 105348, 122906, 184359, 245812, 254591, 368718, 509182, 737436, 763773, 1018364, 1527546, 1782137, 3055092, 3564274, 5346411, 7128548, 10692822, 21385644]

約数ペア:

[(1, 21385644), (2, 10692822), (3, 7128548), (4, 5346411), (6, 3564274), (7, 3055092), (12, 1782137), (14, 1527546), (21, 1018364), (28, 763773), (29, 737436), (42, 509182), (58, 368718), (84, 254591), (87, 245812), (116, 184359), (174, 122906), (203, 105348), (348, 61453), (406, 52674), (609, 35116), (812, 26337), (1218, 17558), (2436, 8779)]