21597688

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1699}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 46512000

約数和(自身を除く): 24914312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1589, 1699, 1816, 3178, 3398, 6356, 6796, 11893, 12712, 13592, 23786, 47572, 95144, 385673, 771346, 1542692, 2699711, 3085384, 5399422, 10798844, 21597688]

約数ペア:

[(1, 21597688), (2, 10798844), (4, 5399422), (7, 3085384), (8, 2699711), (14, 1542692), (28, 771346), (56, 385673), (227, 95144), (454, 47572), (908, 23786), (1589, 13592), (1699, 12712), (1816, 11893), (3178, 6796), (3398, 6356)]