21460494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 51259392

約数和(自身を除く): 29798898

約数列:

[1, 2, 3, 6, 11, 17, 22, 31, 33, 34, 51, 62, 66, 93, 102, 186, 187, 341, 374, 527, 561, 617, 682, 1023, 1054, 1122, 1234, 1581, 1851, 2046, 3162, 3702, 5797, 6787, 10489, 11594, 13574, 17391, 19127, 20361, 20978, 31467, 34782, 38254, 40722, 57381, 62934, 114762, 115379, 210397, 230758, 325159, 346137, 420794, 631191, 650318, 692274, 975477, 1262382, 1950954, 3576749, 7153498, 10730247, 21460494]

約数ペア:

[(1, 21460494), (2, 10730247), (3, 7153498), (6, 3576749), (11, 1950954), (17, 1262382), (22, 975477), (31, 692274), (33, 650318), (34, 631191), (51, 420794), (62, 346137), (66, 325159), (93, 230758), (102, 210397), (186, 115379), (187, 114762), (341, 62934), (374, 57381), (527, 40722), (561, 38254), (617, 34782), (682, 31467), (1023, 20978), (1054, 20361), (1122, 19127), (1234, 17391), (1581, 13574), (1851, 11594), (2046, 10489), (3162, 6787), (3702, 5797)]