21554470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26345690

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 59, 70, 85, 118, 119, 170, 238, 295, 307, 413, 590, 595, 614, 826, 1003, 1190, 1535, 2006, 2065, 2149, 3070, 4130, 4298, 5015, 5219, 7021, 10030, 10438, 10745, 14042, 18113, 21490, 26095, 35105, 36226, 36533, 52190, 70210, 73066, 90565, 126791, 181130, 182665, 253582, 307921, 365330, 615842, 633955, 1267910, 1539605, 2155447, 3079210, 4310894, 10777235, 21554470]

約数ペア:

[(1, 21554470), (2, 10777235), (5, 4310894), (7, 3079210), (10, 2155447), (14, 1539605), (17, 1267910), (34, 633955), (35, 615842), (59, 365330), (70, 307921), (85, 253582), (118, 182665), (119, 181130), (170, 126791), (238, 90565), (295, 73066), (307, 70210), (413, 52190), (590, 36533), (595, 36226), (614, 35105), (826, 26095), (1003, 21490), (1190, 18113), (1535, 14042), (2006, 10745), (2065, 10438), (2149, 10030), (3070, 7021), (4130, 5219), (4298, 5015)]