21633700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 52121664

約数和(自身を除く): 30487964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 277, 284, 355, 550, 554, 710, 781, 1100, 1108, 1385, 1420, 1562, 1775, 2770, 3047, 3124, 3550, 3905, 5540, 6094, 6925, 7100, 7810, 12188, 13850, 15235, 15620, 19525, 19667, 27700, 30470, 39050, 39334, 60940, 76175, 78100, 78668, 98335, 152350, 196670, 216337, 304700, 393340, 432674, 491675, 865348, 983350, 1081685, 1966700, 2163370, 4326740, 5408425, 10816850, 21633700]

約数ペア:

[(1, 21633700), (2, 10816850), (4, 5408425), (5, 4326740), (10, 2163370), (11, 1966700), (20, 1081685), (22, 983350), (25, 865348), (44, 491675), (50, 432674), (55, 393340), (71, 304700), (100, 216337), (110, 196670), (142, 152350), (220, 98335), (275, 78668), (277, 78100), (284, 76175), (355, 60940), (550, 39334), (554, 39050), (710, 30470), (781, 27700), (1100, 19667), (1108, 19525), (1385, 15620), (1420, 15235), (1562, 13850), (1775, 12188), (2770, 7810), (3047, 7100), (3124, 6925), (3550, 6094), (3905, 5540)]