21721784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22817}}^1$

素因数の和:22847

約数の個数: 32

約数和(自身を含む): 49286880

約数和(自身を除く): 27565096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22817, 45634, 91268, 159719, 182536, 319438, 387889, 638876, 775778, 1277752, 1551556, 2715223, 3103112, 5430446, 10860892, 21721784]

約数ペア:

[(1, 21721784), (2, 10860892), (4, 5430446), (7, 3103112), (8, 2715223), (14, 1551556), (17, 1277752), (28, 775778), (34, 638876), (56, 387889), (68, 319438), (119, 182536), (136, 159719), (238, 91268), (476, 45634), (952, 22817)]