21723954

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3927

約数の個数: 48

約数和(自身を含む): 53215200

約数和(自身を除く): 31491246

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3889, 5586, 7778, 11667, 23334, 27223, 54446, 73891, 81669, 147782, 163338, 190561, 221673, 381122, 443346, 517237, 571683, 1034474, 1143366, 1551711, 3103422, 3620659, 7241318, 10861977, 21723954]

約数ペア:

[(1, 21723954), (2, 10861977), (3, 7241318), (6, 3620659), (7, 3103422), (14, 1551711), (19, 1143366), (21, 1034474), (38, 571683), (42, 517237), (49, 443346), (57, 381122), (98, 221673), (114, 190561), (133, 163338), (147, 147782), (266, 81669), (294, 73891), (399, 54446), (798, 27223), (931, 23334), (1862, 11667), (2793, 7778), (3889, 5586)]