21167375698

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{72911}}^1$

素因数の和:73242

約数の個数: 32

約数和(自身を含む): 36852641280

約数和(自身を除く): 15685265582

約数列:

[1, 2, 7, 14, 89, 178, 233, 466, 623, 1246, 1631, 3262, 20737, 41474, 72911, 145159, 145822, 290318, 510377, 1020754, 6489079, 12978158, 16988263, 33976526, 45423553, 90847106, 118917841, 237835682, 1511955407, 3023910814, 10583687849, 21167375698]

約数ペア:

[(1, 21167375698), (2, 10583687849), (7, 3023910814), (14, 1511955407), (89, 237835682), (178, 118917841), (233, 90847106), (466, 45423553), (623, 33976526), (1246, 16988263), (1631, 12978158), (3262, 6489079), (20737, 1020754), (41474, 510377), (72911, 290318), (145159, 145822)]