21989688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 66940800

約数和(自身を除く): 44951112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 83, 84, 114, 133, 152, 166, 168, 228, 249, 266, 332, 399, 456, 498, 532, 581, 664, 798, 996, 1064, 1162, 1577, 1596, 1743, 1992, 2324, 3154, 3192, 3486, 4648, 4731, 6308, 6889, 6972, 9462, 11039, 12616, 13778, 13944, 18924, 20667, 22078, 27556, 33117, 37848, 41334, 44156, 48223, 55112, 66234, 82668, 88312, 96446, 130891, 132468, 144669, 165336, 192892, 261782, 264936, 289338, 385784, 392673, 523564, 578676, 785346, 916237, 1047128, 1157352, 1570692, 1832474, 2748711, 3141384, 3664948, 5497422, 7329896, 10994844, 21989688]

約数ペア:

[(1, 21989688), (2, 10994844), (3, 7329896), (4, 5497422), (6, 3664948), (7, 3141384), (8, 2748711), (12, 1832474), (14, 1570692), (19, 1157352), (21, 1047128), (24, 916237), (28, 785346), (38, 578676), (42, 523564), (56, 392673), (57, 385784), (76, 289338), (83, 264936), (84, 261782), (114, 192892), (133, 165336), (152, 144669), (166, 132468), (168, 130891), (228, 96446), (249, 88312), (266, 82668), (332, 66234), (399, 55112), (456, 48223), (498, 44156), (532, 41334), (581, 37848), (664, 33117), (798, 27556), (996, 22078), (1064, 20667), (1162, 18924), (1577, 13944), (1596, 13778), (1743, 12616), (1992, 11039), (2324, 9462), (3154, 6972), (3192, 6889), (3486, 6308), (4648, 4731)]