21210900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4193

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 43784940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4159, 5100, 8318, 12477, 16636, 20795, 24954, 41590, 49908, 62385, 70703, 83180, 103975, 124770, 141406, 207950, 212109, 249540, 282812, 311925, 353515, 415900, 424218, 623850, 707030, 848436, 1060545, 1247700, 1414060, 1767575, 2121090, 3535150, 4242180, 5302725, 7070300, 10605450, 21210900]

約数ペア:

[(1, 21210900), (2, 10605450), (3, 7070300), (4, 5302725), (5, 4242180), (6, 3535150), (10, 2121090), (12, 1767575), (15, 1414060), (17, 1247700), (20, 1060545), (25, 848436), (30, 707030), (34, 623850), (50, 424218), (51, 415900), (60, 353515), (68, 311925), (75, 282812), (85, 249540), (100, 212109), (102, 207950), (150, 141406), (170, 124770), (204, 103975), (255, 83180), (300, 70703), (340, 62385), (425, 49908), (510, 41590), (850, 24954), (1020, 20795), (1275, 16636), (1700, 12477), (2550, 8318), (4159, 5100)]