21103980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351733}}^1$

素因数の和:351745

約数の個数: 24

約数和(自身を含む): 59091312

約数和(自身を除く): 37987332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351733, 703466, 1055199, 1406932, 1758665, 2110398, 3517330, 4220796, 5275995, 7034660, 10551990, 21103980]

約数ペア:

[(1, 21103980), (2, 10551990), (3, 7034660), (4, 5275995), (5, 4220796), (6, 3517330), (10, 2110398), (12, 1758665), (15, 1406932), (20, 1055199), (30, 703466), (60, 351733)]