21193652

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 37898952

約数和(自身を除く): 16705300

約数列:

[1, 2, 4, 73, 146, 181, 292, 362, 401, 724, 802, 1604, 13213, 26426, 29273, 52852, 58546, 72581, 117092, 145162, 290324, 5298413, 10596826, 21193652]

約数ペア:

[(1, 21193652), (2, 10596826), (4, 5298413), (73, 290324), (146, 145162), (181, 117092), (292, 72581), (362, 58546), (401, 52852), (724, 29273), (802, 26426), (1604, 13213)]