21521916

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15329}}^1$

素因数の和:15355

約数の個数: 48

約数和(自身を含む): 60093600

約数和(自身を除く): 38571684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15329, 30658, 45987, 61316, 91974, 137961, 183948, 199277, 275922, 398554, 413883, 551844, 597831, 797108, 827766, 1195662, 1655532, 1793493, 2391324, 3586986, 5380479, 7173972, 10760958, 21521916]

約数ペア:

[(1, 21521916), (2, 10760958), (3, 7173972), (4, 5380479), (6, 3586986), (9, 2391324), (12, 1793493), (13, 1655532), (18, 1195662), (26, 827766), (27, 797108), (36, 597831), (39, 551844), (52, 413883), (54, 398554), (78, 275922), (108, 199277), (117, 183948), (156, 137961), (234, 91974), (351, 61316), (468, 45987), (702, 30658), (1404, 15329)]