21672690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 56996352

約数和(自身を除く): 35323662

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 911, 915, 1586, 1822, 1830, 2379, 2733, 3965, 4555, 4758, 5466, 7930, 9110, 11843, 11895, 13665, 23686, 23790, 27330, 35529, 55571, 59215, 71058, 111142, 118430, 166713, 177645, 277855, 333426, 355290, 555710, 722423, 833565, 1444846, 1667130, 2167269, 3612115, 4334538, 7224230, 10836345, 21672690]

約数ペア:

[(1, 21672690), (2, 10836345), (3, 7224230), (5, 4334538), (6, 3612115), (10, 2167269), (13, 1667130), (15, 1444846), (26, 833565), (30, 722423), (39, 555710), (61, 355290), (65, 333426), (78, 277855), (122, 177645), (130, 166713), (183, 118430), (195, 111142), (305, 71058), (366, 59215), (390, 55571), (610, 35529), (793, 27330), (911, 23790), (915, 23686), (1586, 13665), (1822, 11895), (1830, 11843), (2379, 9110), (2733, 7930), (3965, 5466), (4555, 4758)]