21554810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 19958662

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1231, 1751, 2462, 3502, 6155, 8755, 12310, 17510, 20927, 41854, 104635, 126793, 209270, 253586, 633965, 1267930, 2155481, 4310962, 10777405, 21554810]

約数ペア:

[(1, 21554810), (2, 10777405), (5, 4310962), (10, 2155481), (17, 1267930), (34, 633965), (85, 253586), (103, 209270), (170, 126793), (206, 104635), (515, 41854), (1030, 20927), (1231, 17510), (1751, 12310), (2462, 8755), (3502, 6155)]