21558108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 41099172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 739, 748, 858, 884, 1122, 1326, 1478, 1716, 2217, 2244, 2431, 2652, 2956, 4434, 4862, 7293, 8129, 8868, 9607, 9724, 12563, 14586, 16258, 19214, 24387, 25126, 28821, 29172, 32516, 37689, 38428, 48774, 50252, 57642, 75378, 97548, 105677, 115284, 138193, 150756, 163319, 211354, 276386, 317031, 326638, 414579, 422708, 489957, 552772, 634062, 653276, 829158, 979914, 1268124, 1658316, 1796509, 1959828, 3593018, 5389527, 7186036, 10779054, 21558108]

約数ペア:

[(1, 21558108), (2, 10779054), (3, 7186036), (4, 5389527), (6, 3593018), (11, 1959828), (12, 1796509), (13, 1658316), (17, 1268124), (22, 979914), (26, 829158), (33, 653276), (34, 634062), (39, 552772), (44, 489957), (51, 422708), (52, 414579), (66, 326638), (68, 317031), (78, 276386), (102, 211354), (132, 163319), (143, 150756), (156, 138193), (187, 115284), (204, 105677), (221, 97548), (286, 75378), (374, 57642), (429, 50252), (442, 48774), (561, 38428), (572, 37689), (663, 32516), (739, 29172), (748, 28821), (858, 25126), (884, 24387), (1122, 19214), (1326, 16258), (1478, 14586), (1716, 12563), (2217, 9724), (2244, 9607), (2431, 8868), (2652, 8129), (2956, 7293), (4434, 4862)]