21247056

素因数分解:

$2^4\times 3^3\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 40356144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 137, 144, 216, 274, 359, 411, 432, 548, 718, 822, 1077, 1096, 1233, 1436, 1644, 2154, 2192, 2466, 2872, 3231, 3288, 3699, 4308, 4932, 5744, 6462, 6576, 7398, 8616, 9693, 9864, 12924, 14796, 17232, 19386, 19728, 25848, 29592, 38772, 49183, 51696, 59184, 77544, 98366, 147549, 155088, 196732, 295098, 393464, 442647, 590196, 786928, 885294, 1180392, 1327941, 1770588, 2360784, 2655882, 3541176, 5311764, 7082352, 10623528, 21247056]

約数ペア:

[(1, 21247056), (2, 10623528), (3, 7082352), (4, 5311764), (6, 3541176), (8, 2655882), (9, 2360784), (12, 1770588), (16, 1327941), (18, 1180392), (24, 885294), (27, 786928), (36, 590196), (48, 442647), (54, 393464), (72, 295098), (108, 196732), (137, 155088), (144, 147549), (216, 98366), (274, 77544), (359, 59184), (411, 51696), (432, 49183), (548, 38772), (718, 29592), (822, 25848), (1077, 19728), (1096, 19386), (1233, 17232), (1436, 14796), (1644, 12924), (2154, 9864), (2192, 9693), (2466, 8616), (2872, 7398), (3231, 6576), (3288, 6462), (3699, 5744), (4308, 4932)]