21138900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2321

約数の個数: 72

約数和(自身を含む): 63162624

約数和(自身を除く): 42023724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2273, 2325, 3100, 4546, 4650, 6819, 9092, 9300, 11365, 13638, 22730, 27276, 34095, 45460, 56825, 68190, 70463, 113650, 136380, 140926, 170475, 211389, 227300, 281852, 340950, 352315, 422778, 681900, 704630, 845556, 1056945, 1409260, 1761575, 2113890, 3523150, 4227780, 5284725, 7046300, 10569450, 21138900]

約数ペア:

[(1, 21138900), (2, 10569450), (3, 7046300), (4, 5284725), (5, 4227780), (6, 3523150), (10, 2113890), (12, 1761575), (15, 1409260), (20, 1056945), (25, 845556), (30, 704630), (31, 681900), (50, 422778), (60, 352315), (62, 340950), (75, 281852), (93, 227300), (100, 211389), (124, 170475), (150, 140926), (155, 136380), (186, 113650), (300, 70463), (310, 68190), (372, 56825), (465, 45460), (620, 34095), (775, 27276), (930, 22730), (1550, 13638), (1860, 11365), (2273, 9300), (2325, 9092), (3100, 6819), (4546, 4650)]