21723040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5903}}^1$

素因数の和:5941

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 31838048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5903, 11806, 23612, 29515, 47224, 59030, 94448, 118060, 135769, 188896, 236120, 271538, 472240, 543076, 678845, 944480, 1086152, 1357690, 2172304, 2715380, 4344608, 5430760, 10861520, 21723040]

約数ペア:

[(1, 21723040), (2, 10861520), (4, 5430760), (5, 4344608), (8, 2715380), (10, 2172304), (16, 1357690), (20, 1086152), (23, 944480), (32, 678845), (40, 543076), (46, 472240), (80, 271538), (92, 236120), (115, 188896), (160, 135769), (184, 118060), (230, 94448), (368, 59030), (460, 47224), (736, 29515), (920, 23612), (1840, 11806), (3680, 5903)]