21818790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44225370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 59, 63, 70, 90, 105, 118, 126, 177, 210, 295, 315, 354, 413, 531, 587, 590, 630, 826, 885, 1062, 1174, 1239, 1761, 1770, 2065, 2478, 2655, 2935, 3522, 3717, 4109, 4130, 5283, 5310, 5870, 6195, 7434, 8218, 8805, 10566, 12327, 12390, 17610, 18585, 20545, 24654, 26415, 34633, 36981, 37170, 41090, 52830, 61635, 69266, 73962, 103899, 123270, 173165, 184905, 207798, 242431, 311697, 346330, 369810, 484862, 519495, 623394, 727293, 1038990, 1212155, 1454586, 1558485, 2181879, 2424310, 3116970, 3636465, 4363758, 7272930, 10909395, 21818790]

約数ペア:

[(1, 21818790), (2, 10909395), (3, 7272930), (5, 4363758), (6, 3636465), (7, 3116970), (9, 2424310), (10, 2181879), (14, 1558485), (15, 1454586), (18, 1212155), (21, 1038990), (30, 727293), (35, 623394), (42, 519495), (45, 484862), (59, 369810), (63, 346330), (70, 311697), (90, 242431), (105, 207798), (118, 184905), (126, 173165), (177, 123270), (210, 103899), (295, 73962), (315, 69266), (354, 61635), (413, 52830), (531, 41090), (587, 37170), (590, 36981), (630, 34633), (826, 26415), (885, 24654), (1062, 20545), (1174, 18585), (1239, 17610), (1761, 12390), (1770, 12327), (2065, 10566), (2478, 8805), (2655, 8218), (2935, 7434), (3522, 6195), (3717, 5870), (4109, 5310), (4130, 5283)]