21696500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6199}}^1$

素因数の和:6225

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 32466700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6199, 12398, 24796, 30995, 43393, 61990, 86786, 123980, 154975, 173572, 216965, 309950, 433930, 619900, 774875, 867860, 1084825, 1549750, 2169650, 3099500, 4339300, 5424125, 10848250, 21696500]

約数ペア:

[(1, 21696500), (2, 10848250), (4, 5424125), (5, 4339300), (7, 3099500), (10, 2169650), (14, 1549750), (20, 1084825), (25, 867860), (28, 774875), (35, 619900), (50, 433930), (70, 309950), (100, 216965), (125, 173572), (140, 154975), (175, 123980), (250, 86786), (350, 61990), (500, 43393), (700, 30995), (875, 24796), (1750, 12398), (3500, 6199)]