21309030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4013}}^1$

素因数の和:4085

約数の個数: 48

約数和(自身を含む): 56356560

約数和(自身を除く): 35047530

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, 4013, 5310, 8026, 12039, 20065, 24078, 36117, 40130, 60195, 72234, 120390, 180585, 236767, 361170, 473534, 710301, 1183835, 1420602, 2130903, 2367670, 3551505, 4261806, 7103010, 10654515, 21309030]

約数ペア:

[(1, 21309030), (2, 10654515), (3, 7103010), (5, 4261806), (6, 3551505), (9, 2367670), (10, 2130903), (15, 1420602), (18, 1183835), (30, 710301), (45, 473534), (59, 361170), (90, 236767), (118, 180585), (177, 120390), (295, 72234), (354, 60195), (531, 40130), (590, 36117), (885, 24078), (1062, 20065), (1770, 12039), (2655, 8026), (4013, 5310)]