21286346

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 14820214

約数列:

[1, 2, 17, 19, 34, 38, 83, 166, 323, 397, 646, 794, 1411, 1577, 2822, 3154, 6749, 7543, 13498, 15086, 26809, 32951, 53618, 65902, 128231, 256462, 560167, 626069, 1120334, 1252138, 10643173, 21286346]

約数ペア:

[(1, 21286346), (2, 10643173), (17, 1252138), (19, 1120334), (34, 626069), (38, 560167), (83, 256462), (166, 128231), (323, 65902), (397, 53618), (646, 32951), (794, 26809), (1411, 15086), (1577, 13498), (2822, 7543), (3154, 6749)]