21237647540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{11069}}^1$

素因数の和:11241

約数の個数: 96

約数和(自身を含む): 48115710720

約数和(自身を除く): 26878063180

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 97, 115, 172, 194, 215, 230, 388, 430, 460, 485, 860, 970, 989, 1940, 1978, 2231, 3956, 4171, 4462, 4945, 8342, 8924, 9890, 11069, 11155, 16684, 19780, 20855, 22138, 22310, 41710, 44276, 44620, 55345, 83420, 95933, 110690, 191866, 221380, 254587, 383732, 475967, 479665, 509174, 951934, 959330, 1018348, 1073693, 1272935, 1903868, 1918660, 2147386, 2379835, 2545870, 4294772, 4759670, 5091740, 5368465, 9519340, 10736930, 10947241, 21473860, 21894482, 24694939, 43788964, 46168799, 49389878, 54736205, 92337598, 98779756, 109472410, 123474695, 184675196, 218944820, 230843995, 246949390, 461687990, 493898780, 923375980, 1061882377, 2123764754, 4247529508, 5309411885, 10618823770, 21237647540]

約数ペア:

[(1, 21237647540), (2, 10618823770), (4, 5309411885), (5, 4247529508), (10, 2123764754), (20, 1061882377), (23, 923375980), (43, 493898780), (46, 461687990), (86, 246949390), (92, 230843995), (97, 218944820), (115, 184675196), (172, 123474695), (194, 109472410), (215, 98779756), (230, 92337598), (388, 54736205), (430, 49389878), (460, 46168799), (485, 43788964), (860, 24694939), (970, 21894482), (989, 21473860), (1940, 10947241), (1978, 10736930), (2231, 9519340), (3956, 5368465), (4171, 5091740), (4462, 4759670), (4945, 4294772), (8342, 2545870), (8924, 2379835), (9890, 2147386), (11069, 1918660), (11155, 1903868), (16684, 1272935), (19780, 1073693), (20855, 1018348), (22138, 959330), (22310, 951934), (41710, 509174), (44276, 479665), (44620, 475967), (55345, 383732), (83420, 254587), (95933, 221380), (110690, 191866)]