21858536

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5347}}^1$

素因数の和:5433

約数の個数: 32

約数和(自身を含む): 47490240

約数和(自身を除く): 25631704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5347, 10694, 21388, 37429, 42776, 74858, 149716, 299432, 390331, 780662, 1561324, 2732317, 3122648, 5464634, 10929268, 21858536]

約数ペア:

[(1, 21858536), (2, 10929268), (4, 5464634), (7, 3122648), (8, 2732317), (14, 1561324), (28, 780662), (56, 390331), (73, 299432), (146, 149716), (292, 74858), (511, 42776), (584, 37429), (1022, 21388), (2044, 10694), (4088, 5347)]