21506190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42169}}^1$

素因数の和:42196

約数の個数: 32

約数和(自身を含む): 54652320

約数和(自身を除く): 33146130

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42169, 84338, 126507, 210845, 253014, 421690, 632535, 716873, 1265070, 1433746, 2150619, 3584365, 4301238, 7168730, 10753095, 21506190]

約数ペア:

[(1, 21506190), (2, 10753095), (3, 7168730), (5, 4301238), (6, 3584365), (10, 2150619), (15, 1433746), (17, 1265070), (30, 716873), (34, 632535), (51, 421690), (85, 253014), (102, 210845), (170, 126507), (255, 84338), (510, 42169)]