21763630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 25514450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 151, 203, 290, 302, 355, 406, 497, 710, 755, 994, 1015, 1057, 1510, 2030, 2059, 2114, 2485, 4118, 4379, 4970, 5285, 8758, 10295, 10570, 10721, 14413, 20590, 21442, 21895, 28826, 30653, 43790, 53605, 61306, 72065, 75047, 107210, 144130, 150094, 153265, 306530, 310909, 375235, 621818, 750470, 1554545, 2176363, 3109090, 4352726, 10881815, 21763630]

約数ペア:

[(1, 21763630), (2, 10881815), (5, 4352726), (7, 3109090), (10, 2176363), (14, 1554545), (29, 750470), (35, 621818), (58, 375235), (70, 310909), (71, 306530), (142, 153265), (145, 150094), (151, 144130), (203, 107210), (290, 75047), (302, 72065), (355, 61306), (406, 53605), (497, 43790), (710, 30653), (755, 28826), (994, 21895), (1015, 21442), (1057, 20590), (1510, 14413), (2030, 10721), (2059, 10570), (2114, 10295), (2485, 8758), (4118, 5285), (4379, 4970)]