21006596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 20482684

約数列:

[1, 2, 4, 13, 26, 41, 52, 59, 82, 118, 164, 167, 236, 334, 533, 668, 767, 1066, 1534, 2132, 2171, 2419, 3068, 4342, 4838, 6847, 8684, 9676, 9853, 13694, 19706, 27388, 31447, 39412, 62894, 89011, 125788, 128089, 178022, 256178, 356044, 403973, 512356, 807946, 1615892, 5251649, 10503298, 21006596]

約数ペア:

[(1, 21006596), (2, 10503298), (4, 5251649), (13, 1615892), (26, 807946), (41, 512356), (52, 403973), (59, 356044), (82, 256178), (118, 178022), (164, 128089), (167, 125788), (236, 89011), (334, 62894), (533, 39412), (668, 31447), (767, 27388), (1066, 19706), (1534, 13694), (2132, 9853), (2171, 9676), (2419, 8684), (3068, 6847), (4342, 4838)]