21084985320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{25101173}}^1$

素因数の和:25101194

約数の個数: 64

約数和(自身を含む): 72291381120

約数和(自身を除く): 51206395800

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, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 25101173, 50202346, 75303519, 100404692, 125505865, 150607038, 175708211, 200809384, 251011730, 301214076, 351416422, 376517595, 502023460, 527124633, 602428152, 702832844, 753035190, 878541055, 1004046920, 1054249266, 1405665688, 1506070380, 1757082110, 2108498532, 2635623165, 3012140760, 3514164220, 4216997064, 5271246330, 7028328440, 10542492660, 21084985320]

約数ペア:

[(1, 21084985320), (2, 10542492660), (3, 7028328440), (4, 5271246330), (5, 4216997064), (6, 3514164220), (7, 3012140760), (8, 2635623165), (10, 2108498532), (12, 1757082110), (14, 1506070380), (15, 1405665688), (20, 1054249266), (21, 1004046920), (24, 878541055), (28, 753035190), (30, 702832844), (35, 602428152), (40, 527124633), (42, 502023460), (56, 376517595), (60, 351416422), (70, 301214076), (84, 251011730), (105, 200809384), (120, 175708211), (140, 150607038), (168, 125505865), (210, 100404692), (280, 75303519), (420, 50202346), (840, 25101173)]