2021017565

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 2943959040

約数和(自身を除く): 922941475

約数列:

[1, 5, 7, 31, 35, 59, 131, 155, 217, 241, 295, 413, 655, 917, 1085, 1205, 1687, 1829, 2065, 4061, 4585, 7471, 7729, 8435, 9145, 12803, 14219, 20305, 28427, 31571, 37355, 38645, 52297, 54103, 64015, 71095, 99533, 142135, 157855, 220997, 239599, 261485, 270515, 440789, 497665, 978701, 1104985, 1197995, 1677193, 1862689, 2203945, 3085523, 4893505, 6850907, 8385965, 9313445, 13038823, 15427615, 34254535, 57743359, 65194115, 288716795, 404203513, 2021017565]

約数ペア:

[(1, 2021017565), (5, 404203513), (7, 288716795), (31, 65194115), (35, 57743359), (59, 34254535), (131, 15427615), (155, 13038823), (217, 9313445), (241, 8385965), (295, 6850907), (413, 4893505), (655, 3085523), (917, 2203945), (1085, 1862689), (1205, 1677193), (1687, 1197995), (1829, 1104985), (2065, 978701), (4061, 497665), (4585, 440789), (7471, 270515), (7729, 261485), (8435, 239599), (9145, 220997), (12803, 157855), (14219, 142135), (20305, 99533), (28427, 71095), (31571, 64015), (37355, 54103), (38645, 52297)]