21354672

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^2\times {\mathrm{29}}^2$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 59726212

約数和(自身を除く): 38371540

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 46, 48, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 368, 464, 529, 552, 667, 696, 841, 1058, 1104, 1334, 1392, 1587, 1682, 2001, 2116, 2523, 2668, 3174, 3364, 4002, 4232, 5046, 5336, 6348, 6728, 8004, 8464, 10092, 10672, 12696, 13456, 15341, 16008, 19343, 20184, 25392, 30682, 32016, 38686, 40368, 46023, 58029, 61364, 77372, 92046, 116058, 122728, 154744, 184092, 232116, 245456, 309488, 368184, 444889, 464232, 736368, 889778, 928464, 1334667, 1779556, 2669334, 3559112, 5338668, 7118224, 10677336, 21354672]

約数ペア:

[(1, 21354672), (2, 10677336), (3, 7118224), (4, 5338668), (6, 3559112), (8, 2669334), (12, 1779556), (16, 1334667), (23, 928464), (24, 889778), (29, 736368), (46, 464232), (48, 444889), (58, 368184), (69, 309488), (87, 245456), (92, 232116), (116, 184092), (138, 154744), (174, 122728), (184, 116058), (232, 92046), (276, 77372), (348, 61364), (368, 58029), (464, 46023), (529, 40368), (552, 38686), (667, 32016), (696, 30682), (841, 25392), (1058, 20184), (1104, 19343), (1334, 16008), (1392, 15341), (1587, 13456), (1682, 12696), (2001, 10672), (2116, 10092), (2523, 8464), (2668, 8004), (3174, 6728), (3364, 6348), (4002, 5336), (4232, 5046)]