21074100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 61454400

約数和(自身を除く): 40380300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 199, 300, 353, 398, 597, 706, 796, 995, 1059, 1194, 1412, 1765, 1990, 2118, 2388, 2985, 3530, 3980, 4236, 4975, 5295, 5970, 7060, 8825, 9950, 10590, 11940, 14925, 17650, 19900, 21180, 26475, 29850, 35300, 52950, 59700, 70247, 105900, 140494, 210741, 280988, 351235, 421482, 702470, 842964, 1053705, 1404940, 1756175, 2107410, 3512350, 4214820, 5268525, 7024700, 10537050, 21074100]

約数ペア:

[(1, 21074100), (2, 10537050), (3, 7024700), (4, 5268525), (5, 4214820), (6, 3512350), (10, 2107410), (12, 1756175), (15, 1404940), (20, 1053705), (25, 842964), (30, 702470), (50, 421482), (60, 351235), (75, 280988), (100, 210741), (150, 140494), (199, 105900), (300, 70247), (353, 59700), (398, 52950), (597, 35300), (706, 29850), (796, 26475), (995, 21180), (1059, 19900), (1194, 17650), (1412, 14925), (1765, 11940), (1990, 10590), (2118, 9950), (2388, 8825), (2985, 7060), (3530, 5970), (3980, 5295), (4236, 4975)]