21683958928

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{863}}^1\times {\mathrm{42443}}^1$

素因数の和:43351

約数の個数: 40

約数和(自身を含む): 43199163648

約数和(自身を除く): 21515204720

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 863, 1726, 3452, 6904, 13808, 31931, 42443, 63862, 84886, 127724, 169772, 255448, 339544, 510896, 679088, 1570391, 3140782, 6281564, 12563128, 25126256, 36628309, 73256618, 146513236, 293026472, 586052944, 1355247433, 2710494866, 5420989732, 10841979464, 21683958928]

約数ペア:

[(1, 21683958928), (2, 10841979464), (4, 5420989732), (8, 2710494866), (16, 1355247433), (37, 586052944), (74, 293026472), (148, 146513236), (296, 73256618), (592, 36628309), (863, 25126256), (1726, 12563128), (3452, 6281564), (6904, 3140782), (13808, 1570391), (31931, 679088), (42443, 510896), (63862, 339544), (84886, 255448), (127724, 169772)]