21104397744

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{746477}}^1$

素因数の和:746538

約数の個数: 80

約数和(自身を含む): 59240494080

約数和(自身を除く): 38136096336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 746477, 1492954, 2239431, 2985908, 4478862, 5971816, 8957724, 11943632, 14183063, 17915448, 23140787, 28366126, 35830896, 42549189, 46281574, 56732252, 69422361, 85098378, 92563148, 113464504, 138844722, 170196756, 185126296, 226929008, 277689444, 340393512, 370252592, 439674953, 555378888, 680787024, 879349906, 1110757776, 1319024859, 1758699812, 2638049718, 3517399624, 5276099436, 7034799248, 10552198872, 21104397744]

約数ペア:

[(1, 21104397744), (2, 10552198872), (3, 7034799248), (4, 5276099436), (6, 3517399624), (8, 2638049718), (12, 1758699812), (16, 1319024859), (19, 1110757776), (24, 879349906), (31, 680787024), (38, 555378888), (48, 439674953), (57, 370252592), (62, 340393512), (76, 277689444), (93, 226929008), (114, 185126296), (124, 170196756), (152, 138844722), (186, 113464504), (228, 92563148), (248, 85098378), (304, 69422361), (372, 56732252), (456, 46281574), (496, 42549189), (589, 35830896), (744, 28366126), (912, 23140787), (1178, 17915448), (1488, 14183063), (1767, 11943632), (2356, 8957724), (3534, 5971816), (4712, 4478862), (7068, 2985908), (9424, 2239431), (14136, 1492954), (28272, 746477)]