21438816

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:604

約数の個数: 96

約数和(自身を含む): 65495808

約数和(自身を除く): 44056992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 84, 96, 112, 122, 168, 183, 224, 244, 336, 366, 427, 488, 523, 672, 732, 854, 976, 1046, 1281, 1464, 1569, 1708, 1952, 2092, 2562, 2928, 3138, 3416, 3661, 4184, 5124, 5856, 6276, 6832, 7322, 8368, 10248, 10983, 12552, 13664, 14644, 16736, 20496, 21966, 25104, 29288, 31903, 40992, 43932, 50208, 58576, 63806, 87864, 95709, 117152, 127612, 175728, 191418, 223321, 255224, 351456, 382836, 446642, 510448, 669963, 765672, 893284, 1020896, 1339926, 1531344, 1786568, 2679852, 3062688, 3573136, 5359704, 7146272, 10719408, 21438816]

約数ペア:

[(1, 21438816), (2, 10719408), (3, 7146272), (4, 5359704), (6, 3573136), (7, 3062688), (8, 2679852), (12, 1786568), (14, 1531344), (16, 1339926), (21, 1020896), (24, 893284), (28, 765672), (32, 669963), (42, 510448), (48, 446642), (56, 382836), (61, 351456), (84, 255224), (96, 223321), (112, 191418), (122, 175728), (168, 127612), (183, 117152), (224, 95709), (244, 87864), (336, 63806), (366, 58576), (427, 50208), (488, 43932), (523, 40992), (672, 31903), (732, 29288), (854, 25104), (976, 21966), (1046, 20496), (1281, 16736), (1464, 14644), (1569, 13664), (1708, 12552), (1952, 10983), (2092, 10248), (2562, 8368), (2928, 7322), (3138, 6832), (3416, 6276), (3661, 5856), (4184, 5124)]