21636410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 41582160

約数和(自身を除く): 19945750

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 929, 1370, 1858, 2329, 4645, 4658, 9290, 11645, 15793, 23290, 31586, 78965, 127273, 157930, 254546, 636365, 1272730, 2163641, 4327282, 10818205, 21636410]

約数ペア:

[(1, 21636410), (2, 10818205), (5, 4327282), (10, 2163641), (17, 1272730), (34, 636365), (85, 254546), (137, 157930), (170, 127273), (274, 78965), (685, 31586), (929, 23290), (1370, 15793), (1858, 11645), (2329, 9290), (4645, 4658)]