21510810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4051}}^1$

素因数の和:4123

約数の個数: 48

約数和(自身を含む): 56890080

約数和(自身を除く): 35379270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 4051, 5310, 8102, 12153, 20255, 24306, 36459, 40510, 60765, 72918, 121530, 182295, 239009, 364590, 478018, 717027, 1195045, 1434054, 2151081, 2390090, 3585135, 4302162, 7170270, 10755405, 21510810]

約数ペア:

[(1, 21510810), (2, 10755405), (3, 7170270), (5, 4302162), (6, 3585135), (9, 2390090), (10, 2151081), (15, 1434054), (18, 1195045), (30, 717027), (45, 478018), (59, 364590), (90, 239009), (118, 182295), (177, 121530), (295, 72918), (354, 60765), (531, 40510), (590, 36459), (885, 24306), (1062, 20255), (1770, 12153), (2655, 8102), (4051, 5310)]