21075329950

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2203}}^1\times {\mathrm{2621}}^1$

素因数の和:4909

約数の個数: 48

約数和(自身を含む): 39770307216

約数和(自身を除く): 18694977266

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 2203, 2621, 3650, 4406, 5242, 11015, 13105, 22030, 26210, 55075, 65525, 110150, 131050, 160819, 191333, 321638, 382666, 804095, 956665, 1608190, 1913330, 4020475, 4783325, 5774063, 8040950, 9566650, 11548126, 28870315, 57740630, 144351575, 288703150, 421506599, 843013198, 2107532995, 4215065990, 10537664975, 21075329950]

約数ペア:

[(1, 21075329950), (2, 10537664975), (5, 4215065990), (10, 2107532995), (25, 843013198), (50, 421506599), (73, 288703150), (146, 144351575), (365, 57740630), (730, 28870315), (1825, 11548126), (2203, 9566650), (2621, 8040950), (3650, 5774063), (4406, 4783325), (5242, 4020475), (11015, 1913330), (13105, 1608190), (22030, 956665), (26210, 804095), (55075, 382666), (65525, 321638), (110150, 191333), (131050, 160819)]