21918400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 168

約数和(自身を含む): 65511680

約数和(自身を除く): 43593280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 103, 112, 133, 140, 152, 160, 175, 190, 200, 206, 224, 266, 280, 304, 320, 350, 380, 400, 412, 448, 475, 515, 532, 560, 608, 665, 700, 721, 760, 800, 824, 950, 1030, 1064, 1120, 1216, 1330, 1400, 1442, 1520, 1600, 1648, 1900, 1957, 2060, 2128, 2240, 2575, 2660, 2800, 2884, 3040, 3296, 3325, 3605, 3800, 3914, 4120, 4256, 5150, 5320, 5600, 5768, 6080, 6592, 6650, 7210, 7600, 7828, 8240, 8512, 9785, 10300, 10640, 11200, 11536, 13300, 13699, 14420, 15200, 15656, 16480, 18025, 19570, 20600, 21280, 23072, 26600, 27398, 28840, 30400, 31312, 32960, 36050, 39140, 41200, 42560, 46144, 48925, 53200, 54796, 57680, 62624, 68495, 72100, 78280, 82400, 97850, 106400, 109592, 115360, 125248, 136990, 144200, 156560, 164800, 195700, 212800, 219184, 230720, 273980, 288400, 313120, 342475, 391400, 438368, 547960, 576800, 626240, 684950, 782800, 876736, 1095920, 1153600, 1369900, 1565600, 2191840, 2739800, 3131200, 4383680, 5479600, 10959200, 21918400]

約数ペア:

[(1, 21918400), (2, 10959200), (4, 5479600), (5, 4383680), (7, 3131200), (8, 2739800), (10, 2191840), (14, 1565600), (16, 1369900), (19, 1153600), (20, 1095920), (25, 876736), (28, 782800), (32, 684950), (35, 626240), (38, 576800), (40, 547960), (50, 438368), (56, 391400), (64, 342475), (70, 313120), (76, 288400), (80, 273980), (95, 230720), (100, 219184), (103, 212800), (112, 195700), (133, 164800), (140, 156560), (152, 144200), (160, 136990), (175, 125248), (190, 115360), (200, 109592), (206, 106400), (224, 97850), (266, 82400), (280, 78280), (304, 72100), (320, 68495), (350, 62624), (380, 57680), (400, 54796), (412, 53200), (448, 48925), (475, 46144), (515, 42560), (532, 41200), (560, 39140), (608, 36050), (665, 32960), (700, 31312), (721, 30400), (760, 28840), (800, 27398), (824, 26600), (950, 23072), (1030, 21280), (1064, 20600), (1120, 19570), (1216, 18025), (1330, 16480), (1400, 15656), (1442, 15200), (1520, 14420), (1600, 13699), (1648, 13300), (1900, 11536), (1957, 11200), (2060, 10640), (2128, 10300), (2240, 9785), (2575, 8512), (2660, 8240), (2800, 7828), (2884, 7600), (3040, 7210), (3296, 6650), (3325, 6592), (3605, 6080), (3800, 5768), (3914, 5600), (4120, 5320), (4256, 5150)]