21101784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 58458240

約数和(自身を除く): 37356456

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1193, 1474, 1608, 2211, 2386, 2948, 3579, 4422, 4772, 5896, 7158, 8844, 9544, 13123, 14316, 17688, 26246, 28632, 39369, 52492, 78738, 79931, 104984, 157476, 159862, 239793, 314952, 319724, 479586, 639448, 879241, 959172, 1758482, 1918344, 2637723, 3516964, 5275446, 7033928, 10550892, 21101784]

約数ペア:

[(1, 21101784), (2, 10550892), (3, 7033928), (4, 5275446), (6, 3516964), (8, 2637723), (11, 1918344), (12, 1758482), (22, 959172), (24, 879241), (33, 639448), (44, 479586), (66, 319724), (67, 314952), (88, 239793), (132, 159862), (134, 157476), (201, 104984), (264, 79931), (268, 78738), (402, 52492), (536, 39369), (737, 28632), (804, 26246), (1193, 17688), (1474, 14316), (1608, 13123), (2211, 9544), (2386, 8844), (2948, 7158), (3579, 5896), (4422, 4772)]