21360508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 21017828

約数列:

[1, 2, 4, 13, 26, 41, 43, 52, 82, 86, 164, 172, 233, 466, 533, 559, 932, 1066, 1118, 1763, 2132, 2236, 3029, 3526, 6058, 7052, 9553, 10019, 12116, 19106, 20038, 22919, 38212, 40076, 45838, 91676, 124189, 130247, 248378, 260494, 410779, 496756, 520988, 821558, 1643116, 5340127, 10680254, 21360508]

約数ペア:

[(1, 21360508), (2, 10680254), (4, 5340127), (13, 1643116), (26, 821558), (41, 520988), (43, 496756), (52, 410779), (82, 260494), (86, 248378), (164, 130247), (172, 124189), (233, 91676), (466, 45838), (533, 40076), (559, 38212), (932, 22919), (1066, 20038), (1118, 19106), (1763, 12116), (2132, 10019), (2236, 9553), (3029, 7052), (3526, 6058)]