21142896

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 37186704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 228, 239, 291, 304, 388, 456, 478, 582, 717, 776, 912, 956, 1164, 1434, 1552, 1843, 1912, 2328, 2868, 3686, 3824, 4541, 4656, 5529, 5736, 7372, 9082, 11058, 11472, 13623, 14744, 18164, 22116, 23183, 27246, 29488, 36328, 44232, 46366, 54492, 69549, 72656, 88464, 92732, 108984, 139098, 185464, 217968, 278196, 370928, 440477, 556392, 880954, 1112784, 1321431, 1761908, 2642862, 3523816, 5285724, 7047632, 10571448, 21142896]

約数ペア:

[(1, 21142896), (2, 10571448), (3, 7047632), (4, 5285724), (6, 3523816), (8, 2642862), (12, 1761908), (16, 1321431), (19, 1112784), (24, 880954), (38, 556392), (48, 440477), (57, 370928), (76, 278196), (97, 217968), (114, 185464), (152, 139098), (194, 108984), (228, 92732), (239, 88464), (291, 72656), (304, 69549), (388, 54492), (456, 46366), (478, 44232), (582, 36328), (717, 29488), (776, 27246), (912, 23183), (956, 22116), (1164, 18164), (1434, 14744), (1552, 13623), (1843, 11472), (1912, 11058), (2328, 9082), (2868, 7372), (3686, 5736), (3824, 5529), (4541, 4656)]