21850150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 46854144

約数和(自身を除く): 25003994

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 163, 175, 326, 350, 383, 766, 815, 1141, 1630, 1915, 2282, 2681, 3830, 4075, 5362, 5705, 8150, 9575, 11410, 13405, 19150, 26810, 28525, 57050, 62429, 67025, 124858, 134050, 312145, 437003, 624290, 874006, 1560725, 2185015, 3121450, 4370030, 10925075, 21850150]

約数ペア:

[(1, 21850150), (2, 10925075), (5, 4370030), (7, 3121450), (10, 2185015), (14, 1560725), (25, 874006), (35, 624290), (50, 437003), (70, 312145), (163, 134050), (175, 124858), (326, 67025), (350, 62429), (383, 57050), (766, 28525), (815, 26810), (1141, 19150), (1630, 13405), (1915, 11410), (2282, 9575), (2681, 8150), (3830, 5705), (4075, 5362)]