21750552

素因数分解:

$2^3\times 3^3\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 61077600

約数和(自身を除く): 39327048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 101, 108, 202, 216, 303, 404, 606, 808, 909, 997, 1212, 1818, 1994, 2424, 2727, 2991, 3636, 3988, 5454, 5982, 7272, 7976, 8973, 10908, 11964, 17946, 21816, 23928, 26919, 35892, 53838, 71784, 100697, 107676, 201394, 215352, 302091, 402788, 604182, 805576, 906273, 1208364, 1812546, 2416728, 2718819, 3625092, 5437638, 7250184, 10875276, 21750552]

約数ペア:

[(1, 21750552), (2, 10875276), (3, 7250184), (4, 5437638), (6, 3625092), (8, 2718819), (9, 2416728), (12, 1812546), (18, 1208364), (24, 906273), (27, 805576), (36, 604182), (54, 402788), (72, 302091), (101, 215352), (108, 201394), (202, 107676), (216, 100697), (303, 71784), (404, 53838), (606, 35892), (808, 26919), (909, 23928), (997, 21816), (1212, 17946), (1818, 11964), (1994, 10908), (2424, 8973), (2727, 7976), (2991, 7272), (3636, 5982), (3988, 5454)]