21918248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13145

約数の個数: 32

約数和(自身を含む): 47196000

約数和(自身を除く): 25277752

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 13109, 26218, 52436, 104872, 144199, 249071, 288398, 498142, 576796, 996284, 1153592, 1992568, 2739781, 5479562, 10959124, 21918248]

約数ペア:

[(1, 21918248), (2, 10959124), (4, 5479562), (8, 2739781), (11, 1992568), (19, 1153592), (22, 996284), (38, 576796), (44, 498142), (76, 288398), (88, 249071), (152, 144199), (209, 104872), (418, 52436), (836, 26218), (1672, 13109)]