21915693842

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:1060

約数の個数: 96

約数和(自身を含む): 40816742400

約数和(自身を除く): 18901048558

約数列:

[1, 2, 7, 14, 23, 46, 49, 59, 98, 118, 161, 223, 322, 413, 446, 739, 826, 1127, 1357, 1478, 1561, 2254, 2714, 2891, 3122, 5129, 5173, 5782, 9499, 10258, 10346, 10927, 13157, 16997, 18998, 21854, 26314, 33994, 35903, 36211, 43601, 66493, 71806, 72422, 87202, 92099, 118979, 132986, 164797, 184198, 237958, 251321, 302611, 305207, 329594, 502642, 605222, 610414, 644693, 832853, 1002823, 1153579, 1289386, 1665706, 2005646, 2118277, 2136449, 2307158, 3790331, 4236554, 4272898, 7019761, 7580662, 8075053, 9723023, 14039522, 14827939, 16150106, 19446046, 26532317, 29655878, 49138327, 53064634, 68061161, 98276654, 136122322, 185726219, 223629529, 371452438, 447259058, 476428127, 952856254, 1565406703, 3130813406, 10957846921, 21915693842]

約数ペア:

[(1, 21915693842), (2, 10957846921), (7, 3130813406), (14, 1565406703), (23, 952856254), (46, 476428127), (49, 447259058), (59, 371452438), (98, 223629529), (118, 185726219), (161, 136122322), (223, 98276654), (322, 68061161), (413, 53064634), (446, 49138327), (739, 29655878), (826, 26532317), (1127, 19446046), (1357, 16150106), (1478, 14827939), (1561, 14039522), (2254, 9723023), (2714, 8075053), (2891, 7580662), (3122, 7019761), (5129, 4272898), (5173, 4236554), (5782, 3790331), (9499, 2307158), (10258, 2136449), (10346, 2118277), (10927, 2005646), (13157, 1665706), (16997, 1289386), (18998, 1153579), (21854, 1002823), (26314, 832853), (33994, 644693), (35903, 610414), (36211, 605222), (43601, 502642), (66493, 329594), (71806, 305207), (72422, 302611), (87202, 251321), (92099, 237958), (118979, 184198), (132986, 164797)]