21633650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 42137928

約数和(自身を除く): 20504278

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 173, 205, 305, 346, 410, 610, 865, 1025, 1525, 1730, 2050, 2501, 3050, 4325, 5002, 7093, 8650, 10553, 12505, 14186, 21106, 25010, 35465, 52765, 62525, 70930, 105530, 125050, 177325, 263825, 354650, 432673, 527650, 865346, 2163365, 4326730, 10816825, 21633650]

約数ペア:

[(1, 21633650), (2, 10816825), (5, 4326730), (10, 2163365), (25, 865346), (41, 527650), (50, 432673), (61, 354650), (82, 263825), (122, 177325), (173, 125050), (205, 105530), (305, 70930), (346, 62525), (410, 52765), (610, 35465), (865, 25010), (1025, 21106), (1525, 14186), (1730, 12505), (2050, 10553), (2501, 8650), (3050, 7093), (4325, 5002)]