21888272

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 30608368

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 56, 58, 92, 112, 116, 161, 184, 203, 232, 293, 322, 368, 406, 464, 586, 644, 667, 812, 1172, 1288, 1334, 1624, 2051, 2344, 2576, 2668, 3248, 4102, 4669, 4688, 5336, 6739, 8204, 8497, 9338, 10672, 13478, 16408, 16994, 18676, 26956, 32816, 33988, 37352, 47173, 53912, 59479, 67976, 74704, 94346, 107824, 118958, 135952, 188692, 195431, 237916, 377384, 390862, 475832, 754768, 781724, 951664, 1368017, 1563448, 2736034, 3126896, 5472068, 10944136, 21888272]

約数ペア:

[(1, 21888272), (2, 10944136), (4, 5472068), (7, 3126896), (8, 2736034), (14, 1563448), (16, 1368017), (23, 951664), (28, 781724), (29, 754768), (46, 475832), (56, 390862), (58, 377384), (92, 237916), (112, 195431), (116, 188692), (161, 135952), (184, 118958), (203, 107824), (232, 94346), (293, 74704), (322, 67976), (368, 59479), (406, 53912), (464, 47173), (586, 37352), (644, 33988), (667, 32816), (812, 26956), (1172, 18676), (1288, 16994), (1334, 16408), (1624, 13478), (2051, 10672), (2344, 9338), (2576, 8497), (2668, 8204), (3248, 6739), (4102, 5336), (4669, 4688)]