21141435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 19915845

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 53, 87, 105, 131, 145, 159, 203, 265, 371, 393, 435, 609, 655, 795, 917, 1015, 1113, 1537, 1855, 1965, 2751, 3045, 3799, 4585, 4611, 5565, 6943, 7685, 10759, 11397, 13755, 18995, 20829, 23055, 26593, 32277, 34715, 48601, 53795, 56985, 79779, 104145, 132965, 145803, 161385, 201347, 243005, 398895, 604041, 729015, 1006735, 1409429, 3020205, 4228287, 7047145, 21141435]

約数ペア:

[(1, 21141435), (3, 7047145), (5, 4228287), (7, 3020205), (15, 1409429), (21, 1006735), (29, 729015), (35, 604041), (53, 398895), (87, 243005), (105, 201347), (131, 161385), (145, 145803), (159, 132965), (203, 104145), (265, 79779), (371, 56985), (393, 53795), (435, 48601), (609, 34715), (655, 32277), (795, 26593), (917, 23055), (1015, 20829), (1113, 18995), (1537, 13755), (1855, 11397), (1965, 10759), (2751, 7685), (3045, 6943), (3799, 5565), (4585, 4611)]