2100210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 5882112

約数和(自身を除く): 3781902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 137, 146, 210, 219, 274, 365, 411, 438, 511, 685, 730, 822, 959, 1022, 1095, 1370, 1533, 1918, 2055, 2190, 2555, 2877, 3066, 4110, 4795, 5110, 5754, 7665, 9590, 10001, 14385, 15330, 20002, 28770, 30003, 50005, 60006, 70007, 100010, 140014, 150015, 210021, 300030, 350035, 420042, 700070, 1050105, 2100210]

約数ペア:

[(1, 2100210), (2, 1050105), (3, 700070), (5, 420042), (6, 350035), (7, 300030), (10, 210021), (14, 150015), (15, 140014), (21, 100010), (30, 70007), (35, 60006), (42, 50005), (70, 30003), (73, 28770), (105, 20002), (137, 15330), (146, 14385), (210, 10001), (219, 9590), (274, 7665), (365, 5754), (411, 5110), (438, 4795), (511, 4110), (685, 3066), (730, 2877), (822, 2555), (959, 2190), (1022, 2055), (1095, 1918), (1370, 1533)]