21562530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 59911488

約数和(自身を除く): 38348958

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 181, 190, 209, 285, 330, 361, 362, 418, 543, 570, 627, 722, 905, 1045, 1083, 1086, 1254, 1805, 1810, 1991, 2090, 2166, 2715, 3135, 3439, 3610, 3971, 3982, 5415, 5430, 5973, 6270, 6878, 7942, 9955, 10317, 10830, 11913, 11946, 17195, 19855, 19910, 20634, 23826, 29865, 34390, 37829, 39710, 51585, 59565, 59730, 65341, 75658, 103170, 113487, 119130, 130682, 189145, 196023, 226974, 326705, 378290, 392046, 567435, 653410, 718751, 980115, 1134870, 1437502, 1960230, 2156253, 3593755, 4312506, 7187510, 10781265, 21562530]

約数ペア:

[(1, 21562530), (2, 10781265), (3, 7187510), (5, 4312506), (6, 3593755), (10, 2156253), (11, 1960230), (15, 1437502), (19, 1134870), (22, 980115), (30, 718751), (33, 653410), (38, 567435), (55, 392046), (57, 378290), (66, 326705), (95, 226974), (110, 196023), (114, 189145), (165, 130682), (181, 119130), (190, 113487), (209, 103170), (285, 75658), (330, 65341), (361, 59730), (362, 59565), (418, 51585), (543, 39710), (570, 37829), (627, 34390), (722, 29865), (905, 23826), (1045, 20634), (1083, 19910), (1086, 19855), (1254, 17195), (1805, 11946), (1810, 11913), (1991, 10830), (2090, 10317), (2166, 9955), (2715, 7942), (3135, 6878), (3439, 6270), (3610, 5973), (3971, 5430), (3982, 5415)]