21971558280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{428797}}^1$

素因数の和:428879

約数の個数: 128

約数和(自身を含む): 76566170880

約数和(自身を除く): 54594612600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 25620, 51240, 428797, 857594, 1286391, 1715188, 2143985, 2572782, 3001579, 3430376, 4287970, 5145564, 6003158, 6431955, 8575940, 9004737, 10291128, 12006316, 12863910, 15007895, 17151880, 18009474, 24012632, 25727820, 26156617, 30015790, 36018948, 45023685, 51455640, 52313234, 60031580, 72037896, 78469851, 90047370, 104626468, 120063160, 130783085, 156939702, 180094740, 183096319, 209252936, 261566170, 313879404, 360189480, 366192638, 392349255, 523132340, 549288957, 627758808, 732385276, 784698510, 915481595, 1046264680, 1098577914, 1464770552, 1569397020, 1830963190, 2197155828, 2746444785, 3138794040, 3661926380, 4394311656, 5492889570, 7323852760, 10985779140, 21971558280]

約数ペア:

[(1, 21971558280), (2, 10985779140), (3, 7323852760), (4, 5492889570), (5, 4394311656), (6, 3661926380), (7, 3138794040), (8, 2746444785), (10, 2197155828), (12, 1830963190), (14, 1569397020), (15, 1464770552), (20, 1098577914), (21, 1046264680), (24, 915481595), (28, 784698510), (30, 732385276), (35, 627758808), (40, 549288957), (42, 523132340), (56, 392349255), (60, 366192638), (61, 360189480), (70, 313879404), (84, 261566170), (105, 209252936), (120, 183096319), (122, 180094740), (140, 156939702), (168, 130783085), (183, 120063160), (210, 104626468), (244, 90047370), (280, 78469851), (305, 72037896), (366, 60031580), (420, 52313234), (427, 51455640), (488, 45023685), (610, 36018948), (732, 30015790), (840, 26156617), (854, 25727820), (915, 24012632), (1220, 18009474), (1281, 17151880), (1464, 15007895), (1708, 12863910), (1830, 12006316), (2135, 10291128), (2440, 9004737), (2562, 8575940), (3416, 6431955), (3660, 6003158), (4270, 5145564), (5124, 4287970), (6405, 3430376), (7320, 3001579), (8540, 2572782), (10248, 2143985), (12810, 1715188), (17080, 1286391), (25620, 857594), (51240, 428797)]