21128364

素因数分解:

$2^2\times 3^5\times {\mathrm{21737}}^1$

素因数の和:21756

約数の個数: 36

約数和(自身を含む): 55388424

約数和(自身を除く): 34260060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21737, 43474, 65211, 86948, 130422, 195633, 260844, 391266, 586899, 782532, 1173798, 1760697, 2347596, 3521394, 5282091, 7042788, 10564182, 21128364]

約数ペア:

[(1, 21128364), (2, 10564182), (3, 7042788), (4, 5282091), (6, 3521394), (9, 2347596), (12, 1760697), (18, 1173798), (27, 782532), (36, 586899), (54, 391266), (81, 260844), (108, 195633), (162, 130422), (243, 86948), (324, 65211), (486, 43474), (972, 21737)]