21560896

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 54864000

約数和(自身を除く): 33303104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 133, 136, 149, 152, 224, 238, 266, 272, 298, 304, 323, 448, 476, 532, 544, 596, 608, 646, 952, 1043, 1064, 1088, 1192, 1216, 1292, 1904, 2086, 2128, 2261, 2384, 2533, 2584, 2831, 3808, 4172, 4256, 4522, 4768, 5066, 5168, 5662, 7616, 8344, 8512, 9044, 9536, 10132, 10336, 11324, 16688, 17731, 18088, 19817, 20264, 20672, 22648, 33376, 35462, 36176, 39634, 40528, 45296, 48127, 66752, 70924, 72352, 79268, 81056, 90592, 96254, 141848, 144704, 158536, 162112, 181184, 192508, 283696, 317072, 336889, 385016, 567392, 634144, 673778, 770032, 1134784, 1268288, 1347556, 1540064, 2695112, 3080128, 5390224, 10780448, 21560896]

約数ペア:

[(1, 21560896), (2, 10780448), (4, 5390224), (7, 3080128), (8, 2695112), (14, 1540064), (16, 1347556), (17, 1268288), (19, 1134784), (28, 770032), (32, 673778), (34, 634144), (38, 567392), (56, 385016), (64, 336889), (68, 317072), (76, 283696), (112, 192508), (119, 181184), (133, 162112), (136, 158536), (149, 144704), (152, 141848), (224, 96254), (238, 90592), (266, 81056), (272, 79268), (298, 72352), (304, 70924), (323, 66752), (448, 48127), (476, 45296), (532, 40528), (544, 39634), (596, 36176), (608, 35462), (646, 33376), (952, 22648), (1043, 20672), (1064, 20264), (1088, 19817), (1192, 18088), (1216, 17731), (1292, 16688), (1904, 11324), (2086, 10336), (2128, 10132), (2261, 9536), (2384, 9044), (2533, 8512), (2584, 8344), (2831, 7616), (3808, 5662), (4172, 5168), (4256, 5066), (4522, 4768)]