21799492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 46795392

約数和(自身を除く): 24995900

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1657, 3289, 3314, 6578, 6628, 13156, 18227, 21541, 36454, 38111, 43082, 72908, 76222, 86164, 152444, 236951, 419221, 473902, 495443, 838442, 947804, 990886, 1676884, 1981772, 5449873, 10899746, 21799492]

約数ペア:

[(1, 21799492), (2, 10899746), (4, 5449873), (11, 1981772), (13, 1676884), (22, 990886), (23, 947804), (26, 838442), (44, 495443), (46, 473902), (52, 419221), (92, 236951), (143, 152444), (253, 86164), (286, 76222), (299, 72908), (506, 43082), (572, 38111), (598, 36454), (1012, 21541), (1196, 18227), (1657, 13156), (3289, 6628), (3314, 6578)]