21946672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6563}}^1$

素因数の和:6601

約数の個数: 40

約数和(自身を含む): 48836160

約数和(自身を除く): 26889488

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6563, 13126, 26252, 52504, 72193, 105008, 124697, 144386, 249394, 288772, 498788, 577544, 997576, 1155088, 1371667, 1995152, 2743334, 5486668, 10973336, 21946672]

約数ペア:

[(1, 21946672), (2, 10973336), (4, 5486668), (8, 2743334), (11, 1995152), (16, 1371667), (19, 1155088), (22, 997576), (38, 577544), (44, 498788), (76, 288772), (88, 249394), (152, 144386), (176, 124697), (209, 105008), (304, 72193), (418, 52504), (836, 26252), (1672, 13126), (3344, 6563)]