21010158

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{173}}^2$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 50573040

約数和(自身を除く): 29562882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 173, 234, 346, 351, 519, 702, 1038, 1557, 2249, 3114, 4498, 4671, 6747, 9342, 13494, 20241, 29929, 40482, 59858, 60723, 89787, 121446, 179574, 269361, 389077, 538722, 778154, 808083, 1167231, 1616166, 2334462, 3501693, 7003386, 10505079, 21010158]

約数ペア:

[(1, 21010158), (2, 10505079), (3, 7003386), (6, 3501693), (9, 2334462), (13, 1616166), (18, 1167231), (26, 808083), (27, 778154), (39, 538722), (54, 389077), (78, 269361), (117, 179574), (173, 121446), (234, 89787), (346, 60723), (351, 59858), (519, 40482), (702, 29929), (1038, 20241), (1557, 13494), (2249, 9342), (3114, 6747), (4498, 4671)]