21312420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{599}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 38562780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 593, 599, 1186, 1198, 1779, 1797, 2372, 2396, 2965, 2995, 3558, 3594, 5930, 5990, 7116, 7188, 8895, 8985, 11860, 11980, 17790, 17970, 35580, 35940, 355207, 710414, 1065621, 1420828, 1776035, 2131242, 3552070, 4262484, 5328105, 7104140, 10656210, 21312420]

約数ペア:

[(1, 21312420), (2, 10656210), (3, 7104140), (4, 5328105), (5, 4262484), (6, 3552070), (10, 2131242), (12, 1776035), (15, 1420828), (20, 1065621), (30, 710414), (60, 355207), (593, 35940), (599, 35580), (1186, 17970), (1198, 17790), (1779, 11980), (1797, 11860), (2372, 8985), (2396, 8895), (2965, 7188), (2995, 7116), (3558, 5990), (3594, 5930)]