21007003675

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2554043}}^1$

素因数の和:2554107

約数の個数: 24

約数和(自身を含む): 30403339776

約数和(自身を除く): 9396336101

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1645, 8225, 2554043, 12770215, 17878301, 63851075, 89391505, 120040021, 446957525, 600200105, 840280147, 3001000525, 4201400735, 21007003675]

約数ペア:

[(1, 21007003675), (5, 4201400735), (7, 3001000525), (25, 840280147), (35, 600200105), (47, 446957525), (175, 120040021), (235, 89391505), (329, 63851075), (1175, 17878301), (1645, 12770215), (8225, 2554043)]