21943408

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22483}}^1$

素因数の和:22552

約数の個数: 20

約数和(自身を含む): 43214248

約数和(自身を除く): 21270840

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22483, 44966, 89932, 179864, 359728, 1371463, 2742926, 5485852, 10971704, 21943408]

約数ペア:

[(1, 21943408), (2, 10971704), (4, 5485852), (8, 2742926), (16, 1371463), (61, 359728), (122, 179864), (244, 89932), (488, 44966), (976, 22483)]