21958170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 58817664

約数和(自身を除く): 36859494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 71, 78, 122, 130, 142, 169, 183, 195, 213, 305, 338, 355, 366, 390, 426, 507, 610, 710, 793, 845, 915, 923, 1014, 1065, 1586, 1690, 1830, 1846, 2130, 2379, 2535, 2769, 3965, 4331, 4615, 4758, 5070, 5538, 7930, 8662, 9230, 10309, 11895, 11999, 12993, 13845, 20618, 21655, 23790, 23998, 25986, 27690, 30927, 35997, 43310, 51545, 56303, 59995, 61854, 64965, 71994, 103090, 112606, 119990, 129930, 154635, 168909, 179985, 281515, 309270, 337818, 359970, 563030, 731939, 844545, 1463878, 1689090, 2195817, 3659695, 4391634, 7319390, 10979085, 21958170]

約数ペア:

[(1, 21958170), (2, 10979085), (3, 7319390), (5, 4391634), (6, 3659695), (10, 2195817), (13, 1689090), (15, 1463878), (26, 844545), (30, 731939), (39, 563030), (61, 359970), (65, 337818), (71, 309270), (78, 281515), (122, 179985), (130, 168909), (142, 154635), (169, 129930), (183, 119990), (195, 112606), (213, 103090), (305, 71994), (338, 64965), (355, 61854), (366, 59995), (390, 56303), (426, 51545), (507, 43310), (610, 35997), (710, 30927), (793, 27690), (845, 25986), (915, 23998), (923, 23790), (1014, 21655), (1065, 20618), (1586, 13845), (1690, 12993), (1830, 11999), (1846, 11895), (2130, 10309), (2379, 9230), (2535, 8662), (2769, 7930), (3965, 5538), (4331, 5070), (4615, 4758)]