21709014730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28463}}^1\times {\mathrm{5867}}^1$

素因数の和:34350

約数の個数: 32

約数和(自身を含む): 42090741504

約数和(自身を除く): 20381726774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5867, 11734, 28463, 29335, 56926, 58670, 76271, 142315, 152542, 284630, 370019, 381355, 740038, 762710, 1850095, 3700190, 166992421, 333984842, 834962105, 1669924210, 2170901473, 4341802946, 10854507365, 21709014730]

約数ペア:

[(1, 21709014730), (2, 10854507365), (5, 4341802946), (10, 2170901473), (13, 1669924210), (26, 834962105), (65, 333984842), (130, 166992421), (5867, 3700190), (11734, 1850095), (28463, 762710), (29335, 740038), (56926, 381355), (58670, 370019), (76271, 284630), (142315, 152542)]