21272200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 52853760

約数和(自身を除く): 31581560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 73, 94, 100, 124, 146, 155, 188, 200, 235, 248, 292, 310, 365, 376, 470, 584, 620, 730, 775, 940, 1175, 1240, 1457, 1460, 1550, 1825, 1880, 2263, 2350, 2914, 2920, 3100, 3431, 3650, 4526, 4700, 5828, 6200, 6862, 7285, 7300, 9052, 9400, 11315, 11656, 13724, 14570, 14600, 17155, 18104, 22630, 27448, 29140, 34310, 36425, 45260, 56575, 58280, 68620, 72850, 85775, 90520, 106361, 113150, 137240, 145700, 171550, 212722, 226300, 291400, 343100, 425444, 452600, 531805, 686200, 850888, 1063610, 2127220, 2659025, 4254440, 5318050, 10636100, 21272200]

約数ペア:

[(1, 21272200), (2, 10636100), (4, 5318050), (5, 4254440), (8, 2659025), (10, 2127220), (20, 1063610), (25, 850888), (31, 686200), (40, 531805), (47, 452600), (50, 425444), (62, 343100), (73, 291400), (94, 226300), (100, 212722), (124, 171550), (146, 145700), (155, 137240), (188, 113150), (200, 106361), (235, 90520), (248, 85775), (292, 72850), (310, 68620), (365, 58280), (376, 56575), (470, 45260), (584, 36425), (620, 34310), (730, 29140), (775, 27448), (940, 22630), (1175, 18104), (1240, 17155), (1457, 14600), (1460, 14570), (1550, 13724), (1825, 11656), (1880, 11315), (2263, 9400), (2350, 9052), (2914, 7300), (2920, 7285), (3100, 6862), (3431, 6200), (3650, 5828), (4526, 4700)]