2021067100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:992

約数の個数: 144

約数和(自身を含む): 5052801600

約数和(自身を除く): 3031734500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 109, 130, 170, 218, 221, 260, 325, 340, 425, 436, 442, 545, 650, 839, 850, 884, 1090, 1105, 1300, 1417, 1678, 1700, 1853, 2180, 2210, 2725, 2834, 3356, 3706, 4195, 4420, 5450, 5525, 5668, 7085, 7412, 8390, 9265, 10900, 10907, 11050, 14170, 14263, 16780, 18530, 20975, 21814, 22100, 24089, 28340, 28526, 35425, 37060, 41950, 43628, 46325, 48178, 54535, 57052, 70850, 71315, 83900, 91451, 92650, 96356, 109070, 120445, 141700, 142630, 182902, 185300, 185419, 218140, 240890, 272675, 285260, 356575, 365804, 370838, 457255, 481780, 545350, 602225, 713150, 741676, 914510, 927095, 1090700, 1188863, 1204450, 1426300, 1554667, 1829020, 1854190, 2286275, 2377726, 2408900, 3109334, 3708380, 4572550, 4635475, 4755452, 5944315, 6218668, 7773335, 9145100, 9270950, 11888630, 15546670, 18541900, 20210671, 23777260, 29721575, 31093340, 38866675, 40421342, 59443150, 77733350, 80842684, 101053355, 118886300, 155466700, 202106710, 404213420, 505266775, 1010533550, 2021067100]

約数ペア:

[(1, 2021067100), (2, 1010533550), (4, 505266775), (5, 404213420), (10, 202106710), (13, 155466700), (17, 118886300), (20, 101053355), (25, 80842684), (26, 77733350), (34, 59443150), (50, 40421342), (52, 38866675), (65, 31093340), (68, 29721575), (85, 23777260), (100, 20210671), (109, 18541900), (130, 15546670), (170, 11888630), (218, 9270950), (221, 9145100), (260, 7773335), (325, 6218668), (340, 5944315), (425, 4755452), (436, 4635475), (442, 4572550), (545, 3708380), (650, 3109334), (839, 2408900), (850, 2377726), (884, 2286275), (1090, 1854190), (1105, 1829020), (1300, 1554667), (1417, 1426300), (1678, 1204450), (1700, 1188863), (1853, 1090700), (2180, 927095), (2210, 914510), (2725, 741676), (2834, 713150), (3356, 602225), (3706, 545350), (4195, 481780), (4420, 457255), (5450, 370838), (5525, 365804), (5668, 356575), (7085, 285260), (7412, 272675), (8390, 240890), (9265, 218140), (10900, 185419), (10907, 185300), (11050, 182902), (14170, 142630), (14263, 141700), (16780, 120445), (18530, 109070), (20975, 96356), (21814, 92650), (22100, 91451), (24089, 83900), (28340, 71315), (28526, 70850), (35425, 57052), (37060, 54535), (41950, 48178), (43628, 46325)]