21861248

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 46818000

約数和(自身を除く): 24956752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 101, 128, 152, 178, 202, 304, 356, 404, 608, 712, 808, 1216, 1424, 1616, 1691, 1919, 2432, 2848, 3232, 3382, 3838, 5696, 6464, 6764, 7676, 8989, 11392, 12928, 13528, 15352, 17978, 27056, 30704, 35956, 54112, 61408, 71912, 108224, 122816, 143824, 170791, 216448, 245632, 287648, 341582, 575296, 683164, 1150592, 1366328, 2732656, 5465312, 10930624, 21861248]

約数ペア:

[(1, 21861248), (2, 10930624), (4, 5465312), (8, 2732656), (16, 1366328), (19, 1150592), (32, 683164), (38, 575296), (64, 341582), (76, 287648), (89, 245632), (101, 216448), (128, 170791), (152, 143824), (178, 122816), (202, 108224), (304, 71912), (356, 61408), (404, 54112), (608, 35956), (712, 30704), (808, 27056), (1216, 17978), (1424, 15352), (1616, 13528), (1691, 12928), (1919, 11392), (2432, 8989), (2848, 7676), (3232, 6764), (3382, 6464), (3838, 5696)]