21068190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1674

約数の個数: 96

約数和(自身を含む): 64393056

約数和(自身を除く): 43324866

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1637, 2145, 2574, 3274, 4290, 4911, 6435, 8185, 9822, 12870, 14733, 16370, 18007, 21281, 24555, 29466, 36014, 42562, 49110, 54021, 63843, 73665, 90035, 106405, 108042, 127686, 147330, 162063, 180070, 191529, 212810, 234091, 270105, 319215, 324126, 383058, 468182, 540210, 638430, 702273, 810315, 957645, 1170455, 1404546, 1620630, 1915290, 2106819, 2340910, 3511365, 4213638, 7022730, 10534095, 21068190]

約数ペア:

[(1, 21068190), (2, 10534095), (3, 7022730), (5, 4213638), (6, 3511365), (9, 2340910), (10, 2106819), (11, 1915290), (13, 1620630), (15, 1404546), (18, 1170455), (22, 957645), (26, 810315), (30, 702273), (33, 638430), (39, 540210), (45, 468182), (55, 383058), (65, 324126), (66, 319215), (78, 270105), (90, 234091), (99, 212810), (110, 191529), (117, 180070), (130, 162063), (143, 147330), (165, 127686), (195, 108042), (198, 106405), (234, 90035), (286, 73665), (330, 63843), (390, 54021), (429, 49110), (495, 42562), (585, 36014), (715, 29466), (858, 24555), (990, 21281), (1170, 18007), (1287, 16370), (1430, 14733), (1637, 12870), (2145, 9822), (2574, 8185), (3274, 6435), (4290, 4911)]