21370342

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 16514330

約数列:

[1, 2, 7, 14, 53, 83, 106, 166, 347, 371, 581, 694, 742, 1162, 2429, 4399, 4858, 8798, 18391, 28801, 30793, 36782, 57602, 61586, 128737, 201607, 257474, 403214, 1526453, 3052906, 10685171, 21370342]

約数ペア:

[(1, 21370342), (2, 10685171), (7, 3052906), (14, 1526453), (53, 403214), (83, 257474), (106, 201607), (166, 128737), (347, 61586), (371, 57602), (581, 36782), (694, 30793), (742, 28801), (1162, 18391), (2429, 8798), (4399, 4858)]