21973648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 46657728

約数和(自身を除く): 24684080

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 71, 92, 116, 142, 184, 232, 284, 368, 464, 568, 667, 841, 1136, 1334, 1633, 1682, 2059, 2668, 3266, 3364, 4118, 5336, 6532, 6728, 8236, 10672, 13064, 13456, 16472, 19343, 26128, 32944, 38686, 47357, 59711, 77372, 94714, 119422, 154744, 189428, 238844, 309488, 378856, 477688, 757712, 955376, 1373353, 2746706, 5493412, 10986824, 21973648]

約数ペア:

[(1, 21973648), (2, 10986824), (4, 5493412), (8, 2746706), (16, 1373353), (23, 955376), (29, 757712), (46, 477688), (58, 378856), (71, 309488), (92, 238844), (116, 189428), (142, 154744), (184, 119422), (232, 94714), (284, 77372), (368, 59711), (464, 47357), (568, 38686), (667, 32944), (841, 26128), (1136, 19343), (1334, 16472), (1633, 13456), (1682, 13064), (2059, 10672), (2668, 8236), (3266, 6728), (3364, 6532), (4118, 5336)]