21724368

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 60353280

約数和(自身を除く): 38628912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 79, 102, 136, 158, 204, 237, 272, 316, 337, 408, 474, 632, 674, 816, 948, 1011, 1264, 1343, 1348, 1896, 2022, 2686, 2696, 3792, 4029, 4044, 5372, 5392, 5729, 8058, 8088, 10744, 11458, 16116, 16176, 17187, 21488, 22916, 26623, 32232, 34374, 45832, 53246, 64464, 68748, 79869, 91664, 106492, 137496, 159738, 212984, 274992, 319476, 425968, 452591, 638952, 905182, 1277904, 1357773, 1810364, 2715546, 3620728, 5431092, 7241456, 10862184, 21724368]

約数ペア:

[(1, 21724368), (2, 10862184), (3, 7241456), (4, 5431092), (6, 3620728), (8, 2715546), (12, 1810364), (16, 1357773), (17, 1277904), (24, 905182), (34, 638952), (48, 452591), (51, 425968), (68, 319476), (79, 274992), (102, 212984), (136, 159738), (158, 137496), (204, 106492), (237, 91664), (272, 79869), (316, 68748), (337, 64464), (408, 53246), (474, 45832), (632, 34374), (674, 32232), (816, 26623), (948, 22916), (1011, 21488), (1264, 17187), (1343, 16176), (1348, 16116), (1896, 11458), (2022, 10744), (2686, 8088), (2696, 8058), (3792, 5729), (4029, 5392), (4044, 5372)]