21657792

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8677}}^1$

素因数の和:8705

約数の個数: 56

約数和(自身を含む): 61717936

約数和(自身を除く): 40060144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8677, 17354, 26031, 34708, 52062, 69416, 104124, 112801, 138832, 208248, 225602, 277664, 338403, 416496, 451204, 555328, 676806, 832992, 902408, 1353612, 1665984, 1804816, 2707224, 3609632, 5414448, 7219264, 10828896, 21657792]

約数ペア:

[(1, 21657792), (2, 10828896), (3, 7219264), (4, 5414448), (6, 3609632), (8, 2707224), (12, 1804816), (13, 1665984), (16, 1353612), (24, 902408), (26, 832992), (32, 676806), (39, 555328), (48, 451204), (52, 416496), (64, 338403), (78, 277664), (96, 225602), (104, 208248), (156, 138832), (192, 112801), (208, 104124), (312, 69416), (416, 52062), (624, 34708), (832, 26031), (1248, 17354), (2496, 8677)]