21828400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^3\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 120

約数和(自身を含む): 59089968

約数和(自身を除く): 37261568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 121, 164, 176, 200, 205, 220, 242, 275, 328, 400, 410, 440, 451, 484, 550, 605, 656, 820, 880, 902, 968, 1025, 1100, 1210, 1331, 1640, 1804, 1936, 2050, 2200, 2255, 2420, 2662, 3025, 3280, 3608, 4100, 4400, 4510, 4840, 4961, 5324, 6050, 6655, 7216, 8200, 9020, 9680, 9922, 10648, 11275, 12100, 13310, 16400, 18040, 19844, 21296, 22550, 24200, 24805, 26620, 33275, 36080, 39688, 45100, 48400, 49610, 53240, 54571, 66550, 79376, 90200, 99220, 106480, 109142, 124025, 133100, 180400, 198440, 218284, 248050, 266200, 272855, 396880, 436568, 496100, 532400, 545710, 873136, 992200, 1091420, 1364275, 1984400, 2182840, 2728550, 4365680, 5457100, 10914200, 21828400]

約数ペア:

[(1, 21828400), (2, 10914200), (4, 5457100), (5, 4365680), (8, 2728550), (10, 2182840), (11, 1984400), (16, 1364275), (20, 1091420), (22, 992200), (25, 873136), (40, 545710), (41, 532400), (44, 496100), (50, 436568), (55, 396880), (80, 272855), (82, 266200), (88, 248050), (100, 218284), (110, 198440), (121, 180400), (164, 133100), (176, 124025), (200, 109142), (205, 106480), (220, 99220), (242, 90200), (275, 79376), (328, 66550), (400, 54571), (410, 53240), (440, 49610), (451, 48400), (484, 45100), (550, 39688), (605, 36080), (656, 33275), (820, 26620), (880, 24805), (902, 24200), (968, 22550), (1025, 21296), (1100, 19844), (1210, 18040), (1331, 16400), (1640, 13310), (1804, 12100), (1936, 11275), (2050, 10648), (2200, 9922), (2255, 9680), (2420, 9020), (2662, 8200), (3025, 7216), (3280, 6655), (3608, 6050), (4100, 5324), (4400, 4961), (4510, 4840)]