21739844

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6871}}^1$

素因数の和:6995

約数の個数: 24

約数和(自身を含む): 43870848

約数和(自身を除く): 22131004

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6871, 13742, 27484, 48097, 96194, 192388, 776423, 1552846, 3105692, 5434961, 10869922, 21739844]

約数ペア:

[(1, 21739844), (2, 10869922), (4, 5434961), (7, 3105692), (14, 1552846), (28, 776423), (113, 192388), (226, 96194), (452, 48097), (791, 27484), (1582, 13742), (3164, 6871)]