2021018685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{243643}}^1$

素因数の和:243737

約数の個数: 32

約数和(自身を含む): 3742371840

約数和(自身を除く): 1721353155

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2765, 8295, 243643, 730929, 1218215, 1705501, 3654645, 5116503, 8527505, 19247797, 25582515, 57743391, 96238985, 134734579, 288716955, 404203737, 673672895, 2021018685]

約数ペア:

[(1, 2021018685), (3, 673672895), (5, 404203737), (7, 288716955), (15, 134734579), (21, 96238985), (35, 57743391), (79, 25582515), (105, 19247797), (237, 8527505), (395, 5116503), (553, 3654645), (1185, 1705501), (1659, 1218215), (2765, 730929), (8295, 243643)]