21536790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 60328800

約数和(自身を除く): 38792010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 121, 165, 170, 187, 242, 255, 330, 349, 363, 374, 510, 561, 605, 698, 726, 935, 1047, 1122, 1210, 1745, 1815, 1870, 2057, 2094, 2805, 3490, 3630, 3839, 4114, 5235, 5610, 5933, 6171, 7678, 10285, 10470, 11517, 11866, 12342, 17799, 19195, 20570, 23034, 29665, 30855, 35598, 38390, 42229, 57585, 59330, 61710, 65263, 84458, 88995, 115170, 126687, 130526, 177990, 195789, 211145, 253374, 326315, 391578, 422290, 633435, 652630, 717893, 978945, 1266870, 1435786, 1957890, 2153679, 3589465, 4307358, 7178930, 10768395, 21536790]

約数ペア:

[(1, 21536790), (2, 10768395), (3, 7178930), (5, 4307358), (6, 3589465), (10, 2153679), (11, 1957890), (15, 1435786), (17, 1266870), (22, 978945), (30, 717893), (33, 652630), (34, 633435), (51, 422290), (55, 391578), (66, 326315), (85, 253374), (102, 211145), (110, 195789), (121, 177990), (165, 130526), (170, 126687), (187, 115170), (242, 88995), (255, 84458), (330, 65263), (349, 61710), (363, 59330), (374, 57585), (510, 42229), (561, 38390), (605, 35598), (698, 30855), (726, 29665), (935, 23034), (1047, 20570), (1122, 19195), (1210, 17799), (1745, 12342), (1815, 11866), (1870, 11517), (2057, 10470), (2094, 10285), (2805, 7678), (3490, 6171), (3630, 5933), (3839, 5610), (4114, 5235)]