21167378460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421493}}^1$

素因数の和:421545

約数の個数: 120

約数和(自身を含む): 68545040256

約数和(自身を除く): 47377661796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 16740, 25110, 50220, 421493, 842986, 1264479, 1685972, 2107465, 2528958, 3793437, 4214930, 5057916, 6322395, 7586874, 8429860, 11380311, 12644790, 13066283, 15173748, 18967185, 22760622, 25289580, 26132566, 34140933, 37934370, 39198849, 45521244, 52265132, 56901555, 65331415, 68281866, 75868740, 78397698, 113803110, 117596547, 130662830, 136563732, 156795396, 170704665, 195994245, 227606220, 235193094, 261325660, 341409330, 352789641, 391988490, 470386188, 587982735, 682818660, 705579282, 783976980, 1058368923, 1175965470, 1411158564, 1763948205, 2116737846, 2351930940, 3527896410, 4233475692, 5291844615, 7055792820, 10583689230, 21167378460]

約数ペア:

[(1, 21167378460), (2, 10583689230), (3, 7055792820), (4, 5291844615), (5, 4233475692), (6, 3527896410), (9, 2351930940), (10, 2116737846), (12, 1763948205), (15, 1411158564), (18, 1175965470), (20, 1058368923), (27, 783976980), (30, 705579282), (31, 682818660), (36, 587982735), (45, 470386188), (54, 391988490), (60, 352789641), (62, 341409330), (81, 261325660), (90, 235193094), (93, 227606220), (108, 195994245), (124, 170704665), (135, 156795396), (155, 136563732), (162, 130662830), (180, 117596547), (186, 113803110), (270, 78397698), (279, 75868740), (310, 68281866), (324, 65331415), (372, 56901555), (405, 52265132), (465, 45521244), (540, 39198849), (558, 37934370), (620, 34140933), (810, 26132566), (837, 25289580), (930, 22760622), (1116, 18967185), (1395, 15173748), (1620, 13066283), (1674, 12644790), (1860, 11380311), (2511, 8429860), (2790, 7586874), (3348, 6322395), (4185, 5057916), (5022, 4214930), (5580, 3793437), (8370, 2528958), (10044, 2107465), (12555, 1685972), (16740, 1264479), (25110, 842986), (50220, 421493)]