21697794

素因数分解:

$2^1\times 3^4\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1052

約数の個数: 40

約数和(自身を含む): 48996288

約数和(自身を除く): 27298494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 302, 453, 887, 906, 1359, 1774, 2661, 2718, 4077, 5322, 7983, 8154, 12231, 15966, 23949, 24462, 47898, 71847, 133937, 143694, 267874, 401811, 803622, 1205433, 2410866, 3616299, 7232598, 10848897, 21697794]

約数ペア:

[(1, 21697794), (2, 10848897), (3, 7232598), (6, 3616299), (9, 2410866), (18, 1205433), (27, 803622), (54, 401811), (81, 267874), (151, 143694), (162, 133937), (302, 71847), (453, 47898), (887, 24462), (906, 23949), (1359, 15966), (1774, 12231), (2661, 8154), (2718, 7983), (4077, 5322)]