21993609142

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{245909}}^1$

素因数の和:246335

約数の個数: 16

約数和(自身を含む): 33304083120

約数和(自身を除く): 11310473978

約数列:

[1, 2, 197, 227, 394, 454, 44719, 89438, 245909, 491818, 48444073, 55821343, 96888146, 111642686, 10996804571, 21993609142]

約数ペア:

[(1, 21993609142), (2, 10996804571), (197, 111642686), (227, 96888146), (394, 55821343), (454, 48444073), (44719, 491818), (89438, 245909)]