21508701240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{811037}}^1$

素因数の和:811081

約数の個数: 128

約数和(自身を含む): 73577367360

約数和(自身を除く): 52068666120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 26520, 811037, 1622074, 2433111, 3244148, 4055185, 4866222, 6488296, 8110370, 9732444, 10543481, 12165555, 13787629, 16220740, 19464888, 21086962, 24331110, 27575258, 31630443, 32441480, 41362887, 42173924, 48662220, 52717405, 55150516, 63260886, 68938145, 82725774, 84347848, 97324440, 105434810, 110301032, 126521772, 137876290, 158152215, 165451548, 179239177, 206814435, 210869620, 253043544, 275752580, 316304430, 330903096, 358478354, 413628870, 421739240, 537717531, 551505160, 632608860, 716956708, 827257740, 896195885, 1075435062, 1265217720, 1433913416, 1654515480, 1792391770, 2150870124, 2688587655, 3584783540, 4301740248, 5377175310, 7169567080, 10754350620, 21508701240]

約数ペア:

[(1, 21508701240), (2, 10754350620), (3, 7169567080), (4, 5377175310), (5, 4301740248), (6, 3584783540), (8, 2688587655), (10, 2150870124), (12, 1792391770), (13, 1654515480), (15, 1433913416), (17, 1265217720), (20, 1075435062), (24, 896195885), (26, 827257740), (30, 716956708), (34, 632608860), (39, 551505160), (40, 537717531), (51, 421739240), (52, 413628870), (60, 358478354), (65, 330903096), (68, 316304430), (78, 275752580), (85, 253043544), (102, 210869620), (104, 206814435), (120, 179239177), (130, 165451548), (136, 158152215), (156, 137876290), (170, 126521772), (195, 110301032), (204, 105434810), (221, 97324440), (255, 84347848), (260, 82725774), (312, 68938145), (340, 63260886), (390, 55150516), (408, 52717405), (442, 48662220), (510, 42173924), (520, 41362887), (663, 32441480), (680, 31630443), (780, 27575258), (884, 24331110), (1020, 21086962), (1105, 19464888), (1326, 16220740), (1560, 13787629), (1768, 12165555), (2040, 10543481), (2210, 9732444), (2652, 8110370), (3315, 6488296), (4420, 4866222), (5304, 4055185), (6630, 3244148), (8840, 2433111), (13260, 1622074), (26520, 811037)]