21036344

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 29248456

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1163, 1292, 2261, 2326, 2584, 4522, 4652, 8141, 9044, 9304, 16282, 18088, 19771, 22097, 32564, 39542, 44194, 65128, 79084, 88388, 138397, 154679, 158168, 176776, 276794, 309358, 375649, 553588, 618716, 751298, 1107176, 1237432, 1502596, 2629543, 3005192, 5259086, 10518172, 21036344]

約数ペア:

[(1, 21036344), (2, 10518172), (4, 5259086), (7, 3005192), (8, 2629543), (14, 1502596), (17, 1237432), (19, 1107176), (28, 751298), (34, 618716), (38, 553588), (56, 375649), (68, 309358), (76, 276794), (119, 176776), (133, 158168), (136, 154679), (152, 138397), (238, 88388), (266, 79084), (323, 65128), (476, 44194), (532, 39542), (646, 32564), (952, 22097), (1064, 19771), (1163, 18088), (1292, 16282), (2261, 9304), (2326, 9044), (2584, 8141), (4522, 4652)]