21371808

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11717}}^1$

素因数の和:11749

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 37686912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11717, 23434, 35151, 46868, 70302, 93736, 140604, 187472, 222623, 281208, 374944, 445246, 562416, 667869, 890492, 1124832, 1335738, 1780984, 2671476, 3561968, 5342952, 7123936, 10685904, 21371808]

約数ペア:

[(1, 21371808), (2, 10685904), (3, 7123936), (4, 5342952), (6, 3561968), (8, 2671476), (12, 1780984), (16, 1335738), (19, 1124832), (24, 890492), (32, 667869), (38, 562416), (48, 445246), (57, 374944), (76, 281208), (96, 222623), (114, 187472), (152, 140604), (228, 93736), (304, 70302), (456, 46868), (608, 35151), (912, 23434), (1824, 11717)]