21621824

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 84

約数和(自身を含む): 52401216

約数和(自身を除く): 30779392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 167, 224, 238, 272, 289, 334, 448, 476, 544, 578, 668, 952, 1088, 1156, 1169, 1336, 1904, 2023, 2312, 2338, 2672, 2839, 3808, 4046, 4624, 4676, 5344, 5678, 7616, 8092, 9248, 9352, 10688, 11356, 16184, 18496, 18704, 19873, 22712, 32368, 37408, 39746, 45424, 48263, 64736, 74816, 79492, 90848, 96526, 129472, 158984, 181696, 193052, 317968, 337841, 386104, 635936, 675682, 772208, 1271872, 1351364, 1544416, 2702728, 3088832, 5405456, 10810912, 21621824]

約数ペア:

[(1, 21621824), (2, 10810912), (4, 5405456), (7, 3088832), (8, 2702728), (14, 1544416), (16, 1351364), (17, 1271872), (28, 772208), (32, 675682), (34, 635936), (56, 386104), (64, 337841), (68, 317968), (112, 193052), (119, 181696), (136, 158984), (167, 129472), (224, 96526), (238, 90848), (272, 79492), (289, 74816), (334, 64736), (448, 48263), (476, 45424), (544, 39746), (578, 37408), (668, 32368), (952, 22712), (1088, 19873), (1156, 18704), (1169, 18496), (1336, 16184), (1904, 11356), (2023, 10688), (2312, 9352), (2338, 9248), (2672, 8092), (2839, 7616), (3808, 5678), (4046, 5344), (4624, 4676)]