21503558

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1619}}^1$

素因数の和:1879

約数の個数: 16

約数和(自身を含む): 33534000

約数和(自身を除く): 12030442

約数列:

[1, 2, 29, 58, 229, 458, 1619, 3238, 6641, 13282, 46951, 93902, 370751, 741502, 10751779, 21503558]

約数ペア:

[(1, 21503558), (2, 10751779), (29, 741502), (58, 370751), (229, 93902), (458, 46951), (1619, 13282), (3238, 6641)]