21436422

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4325

約数の個数: 48

約数和(自身を含む): 52818480

約数和(自身を除く): 31382058

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4289, 4998, 8578, 12867, 25734, 30023, 60046, 72913, 90069, 145826, 180138, 210161, 218739, 420322, 437478, 510391, 630483, 1020782, 1260966, 1531173, 3062346, 3572737, 7145474, 10718211, 21436422]

約数ペア:

[(1, 21436422), (2, 10718211), (3, 7145474), (6, 3572737), (7, 3062346), (14, 1531173), (17, 1260966), (21, 1020782), (34, 630483), (42, 510391), (49, 437478), (51, 420322), (98, 218739), (102, 210161), (119, 180138), (147, 145826), (238, 90069), (294, 72913), (357, 60046), (714, 30023), (833, 25734), (1666, 12867), (2499, 8578), (4289, 4998)]