21421350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 72

約数和(自身を含む): 58090032

約数和(自身を除く): 36668682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 181, 225, 263, 362, 450, 526, 543, 789, 905, 1086, 1315, 1578, 1629, 1810, 2367, 2630, 2715, 3258, 3945, 4525, 4734, 5430, 6575, 7890, 8145, 9050, 11835, 13150, 13575, 16290, 19725, 23670, 27150, 39450, 40725, 47603, 59175, 81450, 95206, 118350, 142809, 238015, 285618, 428427, 476030, 714045, 856854, 1190075, 1428090, 2142135, 2380150, 3570225, 4284270, 7140450, 10710675, 21421350]

約数ペア:

[(1, 21421350), (2, 10710675), (3, 7140450), (5, 4284270), (6, 3570225), (9, 2380150), (10, 2142135), (15, 1428090), (18, 1190075), (25, 856854), (30, 714045), (45, 476030), (50, 428427), (75, 285618), (90, 238015), (150, 142809), (181, 118350), (225, 95206), (263, 81450), (362, 59175), (450, 47603), (526, 40725), (543, 39450), (789, 27150), (905, 23670), (1086, 19725), (1315, 16290), (1578, 13575), (1629, 13150), (1810, 11835), (2367, 9050), (2630, 8145), (2715, 7890), (3258, 6575), (3945, 5430), (4525, 4734)]