21426650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2159

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 25713190

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 2111, 4222, 5075, 10150, 10555, 14777, 21110, 29554, 52775, 61219, 73885, 105550, 122438, 147770, 306095, 369425, 428533, 612190, 738850, 857066, 1530475, 2142665, 3060950, 4285330, 10713325, 21426650]

約数ペア:

[(1, 21426650), (2, 10713325), (5, 4285330), (7, 3060950), (10, 2142665), (14, 1530475), (25, 857066), (29, 738850), (35, 612190), (50, 428533), (58, 369425), (70, 306095), (145, 147770), (175, 122438), (203, 105550), (290, 73885), (350, 61219), (406, 52775), (725, 29554), (1015, 21110), (1450, 14777), (2030, 10555), (2111, 10150), (4222, 5075)]