21995664

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5521}}^1$

素因数の和:5615

約数の個数: 40

約数和(自身を含む): 57517152

約数和(自身を除く): 35521488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5521, 11042, 16563, 22084, 33126, 44168, 66252, 88336, 132504, 265008, 458243, 916486, 1374729, 1832972, 2749458, 3665944, 5498916, 7331888, 10997832, 21995664]

約数ペア:

[(1, 21995664), (2, 10997832), (3, 7331888), (4, 5498916), (6, 3665944), (8, 2749458), (12, 1832972), (16, 1374729), (24, 916486), (48, 458243), (83, 265008), (166, 132504), (249, 88336), (332, 66252), (498, 44168), (664, 33126), (996, 22084), (1328, 16563), (1992, 11042), (3984, 5521)]