21852530

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 48038400

約数和(自身を除く): 26185870

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 277, 322, 343, 490, 554, 686, 805, 1127, 1385, 1610, 1715, 1939, 2254, 2770, 3430, 3878, 5635, 6371, 7889, 9695, 11270, 12742, 13573, 15778, 19390, 27146, 31855, 39445, 44597, 63710, 67865, 78890, 89194, 95011, 135730, 190022, 222985, 312179, 445970, 475055, 624358, 950110, 1560895, 2185253, 3121790, 4370506, 10926265, 21852530]

約数ペア:

[(1, 21852530), (2, 10926265), (5, 4370506), (7, 3121790), (10, 2185253), (14, 1560895), (23, 950110), (35, 624358), (46, 475055), (49, 445970), (70, 312179), (98, 222985), (115, 190022), (161, 135730), (230, 95011), (245, 89194), (277, 78890), (322, 67865), (343, 63710), (490, 44597), (554, 39445), (686, 31855), (805, 27146), (1127, 19390), (1385, 15778), (1610, 13573), (1715, 12742), (1939, 11270), (2254, 9695), (2770, 7889), (3430, 6371), (3878, 5635)]