21970872

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1354

約数の個数: 128

約数和(自身を含む): 76147200

約数和(自身を除く): 54176328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1321, 1386, 1512, 1848, 2079, 2376, 2642, 2772, 3963, 4158, 5284, 5544, 7926, 8316, 9247, 10568, 11889, 14531, 15852, 16632, 18494, 23778, 27741, 29062, 31704, 35667, 36988, 43593, 47556, 55482, 58124, 71334, 73976, 83223, 87186, 95112, 101717, 110964, 116248, 130779, 142668, 166446, 174372, 203434, 221928, 249669, 261558, 285336, 305151, 332892, 348744, 392337, 406868, 499338, 523116, 610302, 665784, 784674, 813736, 915453, 998676, 1046232, 1220604, 1569348, 1830906, 1997352, 2441208, 2746359, 3138696, 3661812, 5492718, 7323624, 10985436, 21970872]

約数ペア:

[(1, 21970872), (2, 10985436), (3, 7323624), (4, 5492718), (6, 3661812), (7, 3138696), (8, 2746359), (9, 2441208), (11, 1997352), (12, 1830906), (14, 1569348), (18, 1220604), (21, 1046232), (22, 998676), (24, 915453), (27, 813736), (28, 784674), (33, 665784), (36, 610302), (42, 523116), (44, 499338), (54, 406868), (56, 392337), (63, 348744), (66, 332892), (72, 305151), (77, 285336), (84, 261558), (88, 249669), (99, 221928), (108, 203434), (126, 174372), (132, 166446), (154, 142668), (168, 130779), (189, 116248), (198, 110964), (216, 101717), (231, 95112), (252, 87186), (264, 83223), (297, 73976), (308, 71334), (378, 58124), (396, 55482), (462, 47556), (504, 43593), (594, 36988), (616, 35667), (693, 31704), (756, 29062), (792, 27741), (924, 23778), (1188, 18494), (1321, 16632), (1386, 15852), (1512, 14531), (1848, 11889), (2079, 10568), (2376, 9247), (2642, 8316), (2772, 7926), (3963, 5544), (4158, 5284)]