21359924210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1\times {\mathrm{1151}}^1$

素因数の和:1979

約数の個数: 64

約数和(自身を含む): 41045336064

約数和(自身を除く): 19685411854

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 631, 865, 1151, 1262, 1730, 2302, 2941, 3155, 5755, 5882, 6310, 10727, 11510, 14705, 19567, 21454, 29410, 39134, 53635, 97835, 107270, 109163, 195670, 199123, 218326, 398246, 545815, 726281, 995615, 1091630, 1452562, 1855771, 1991230, 3385091, 3631405, 3711542, 6770182, 7262810, 9278855, 12346777, 16925455, 18557710, 24693554, 33850910, 61733885, 123467770, 125646613, 251293226, 628233065, 1256466130, 2135992421, 4271984842, 10679962105, 21359924210]

約数ペア:

[(1, 21359924210), (2, 10679962105), (5, 4271984842), (10, 2135992421), (17, 1256466130), (34, 628233065), (85, 251293226), (170, 125646613), (173, 123467770), (346, 61733885), (631, 33850910), (865, 24693554), (1151, 18557710), (1262, 16925455), (1730, 12346777), (2302, 9278855), (2941, 7262810), (3155, 6770182), (5755, 3711542), (5882, 3631405), (6310, 3385091), (10727, 1991230), (11510, 1855771), (14705, 1452562), (19567, 1091630), (21454, 995615), (29410, 726281), (39134, 545815), (53635, 398246), (97835, 218326), (107270, 199123), (109163, 195670)]