21975137278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{38543}}^1$

素因数の和:39012

約数の個数: 32

約数和(自身を含む): 35841294720

約数和(自身を除く): 13866157442

約数列:

[1, 2, 17, 34, 41, 82, 409, 697, 818, 1394, 6953, 13906, 16769, 33538, 38543, 77086, 285073, 570146, 655231, 1310462, 1580263, 3160526, 15764087, 26864471, 31528174, 53728942, 267989479, 535978958, 646327567, 1292655134, 10987568639, 21975137278]

約数ペア:

[(1, 21975137278), (2, 10987568639), (17, 1292655134), (34, 646327567), (41, 535978958), (82, 267989479), (409, 53728942), (697, 31528174), (818, 26864471), (1394, 15764087), (6953, 3160526), (13906, 1580263), (16769, 1310462), (33538, 655231), (38543, 570146), (77086, 285073)]