21813968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3023}}^1$

素因数の和:3083

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 25433008

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3023, 3608, 6046, 7216, 12092, 24184, 33253, 48368, 66506, 123943, 133012, 247886, 266024, 495772, 532048, 991544, 1363373, 1983088, 2726746, 5453492, 10906984, 21813968]

約数ペア:

[(1, 21813968), (2, 10906984), (4, 5453492), (8, 2726746), (11, 1983088), (16, 1363373), (22, 991544), (41, 532048), (44, 495772), (82, 266024), (88, 247886), (164, 133012), (176, 123943), (328, 66506), (451, 48368), (656, 33253), (902, 24184), (1804, 12092), (3023, 7216), (3608, 6046)]