22171940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{158371}}^1$

素因数の和:158387

約数の個数: 24

約数和(自身を含む): 53212992

約数和(自身を除く): 31041052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 158371, 316742, 633484, 791855, 1108597, 1583710, 2217194, 3167420, 4434388, 5542985, 11085970, 22171940]

約数ペア:

[(1, 22171940), (2, 11085970), (4, 5542985), (5, 4434388), (7, 3167420), (10, 2217194), (14, 1583710), (20, 1108597), (28, 791855), (35, 633484), (70, 316742), (140, 158371)]