21829850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 46955328

約数和(自身を除く): 25125478

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 97, 175, 194, 350, 485, 643, 679, 970, 1286, 1358, 2425, 3215, 3395, 4501, 4850, 6430, 6790, 9002, 16075, 16975, 22505, 32150, 33950, 45010, 62371, 112525, 124742, 225050, 311855, 436597, 623710, 873194, 1559275, 2182985, 3118550, 4365970, 10914925, 21829850]

約数ペア:

[(1, 21829850), (2, 10914925), (5, 4365970), (7, 3118550), (10, 2182985), (14, 1559275), (25, 873194), (35, 623710), (50, 436597), (70, 311855), (97, 225050), (175, 124742), (194, 112525), (350, 62371), (485, 45010), (643, 33950), (679, 32150), (970, 22505), (1286, 16975), (1358, 16075), (2425, 9002), (3215, 6790), (3395, 6430), (4501, 4850)]