21341408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3231

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26921632

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3191, 3344, 6382, 6688, 12764, 25528, 35101, 51056, 60629, 70202, 102112, 121258, 140404, 242516, 280808, 485032, 561616, 666919, 970064, 1123232, 1333838, 1940128, 2667676, 5335352, 10670704, 21341408]

約数ペア:

[(1, 21341408), (2, 10670704), (4, 5335352), (8, 2667676), (11, 1940128), (16, 1333838), (19, 1123232), (22, 970064), (32, 666919), (38, 561616), (44, 485032), (76, 280808), (88, 242516), (152, 140404), (176, 121258), (209, 102112), (304, 70202), (352, 60629), (418, 51056), (608, 35101), (836, 25528), (1672, 12764), (3191, 6688), (3344, 6382)]