21135103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{86069}}^1$

素因数の和:86964

約数の個数: 64

約数和(自身を含む): 54410011200

約数和(自身を除く): 33274907560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 877, 1754, 3508, 4385, 6139, 7016, 8770, 12278, 17540, 24556, 30695, 35080, 49112, 61390, 86069, 122780, 172138, 245560, 344276, 430345, 602483, 688552, 860690, 1204966, 1721380, 2409932, 3012415, 3442760, 4819864, 6024830, 12049660, 24099320, 75482513, 150965026, 301930052, 377412565, 528377591, 603860104, 754825130, 1056755182, 1509650260, 2113510364, 2641887955, 3019300520, 4227020728, 5283775910, 10567551820, 21135103640]

約数ペア:

[(1, 21135103640), (2, 10567551820), (4, 5283775910), (5, 4227020728), (7, 3019300520), (8, 2641887955), (10, 2113510364), (14, 1509650260), (20, 1056755182), (28, 754825130), (35, 603860104), (40, 528377591), (56, 377412565), (70, 301930052), (140, 150965026), (280, 75482513), (877, 24099320), (1754, 12049660), (3508, 6024830), (4385, 4819864), (6139, 3442760), (7016, 3012415), (8770, 2409932), (12278, 1721380), (17540, 1204966), (24556, 860690), (30695, 688552), (35080, 602483), (49112, 430345), (61390, 344276), (86069, 245560), (122780, 172138)]