21994307530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1\times {\mathrm{3917}}^1$

素因数の和:4903

約数の個数: 64

約数和(自身を含む): 43600757760

約数和(自身を除く): 21606450230

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 919, 1222, 1838, 3055, 3917, 4595, 6110, 7834, 9190, 11947, 19585, 23894, 39170, 43193, 50921, 59735, 86386, 101842, 119470, 184099, 215965, 254605, 368198, 431930, 509210, 561509, 920495, 1123018, 1840990, 2393287, 2807545, 3599723, 4786574, 5615090, 7199446, 11966435, 17998615, 23932870, 35997230, 46796399, 93592798, 169186981, 233981995, 338373962, 467963990, 845934905, 1691869810, 2199430753, 4398861506, 10997153765, 21994307530]

約数ペア:

[(1, 21994307530), (2, 10997153765), (5, 4398861506), (10, 2199430753), (13, 1691869810), (26, 845934905), (47, 467963990), (65, 338373962), (94, 233981995), (130, 169186981), (235, 93592798), (470, 46796399), (611, 35997230), (919, 23932870), (1222, 17998615), (1838, 11966435), (3055, 7199446), (3917, 5615090), (4595, 4786574), (6110, 3599723), (7834, 2807545), (9190, 2393287), (11947, 1840990), (19585, 1123018), (23894, 920495), (39170, 561509), (43193, 509210), (50921, 431930), (59735, 368198), (86386, 254605), (101842, 215965), (119470, 184099)]