21100896

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1844

約数の個数: 72

約数和(自身を含む): 61503624

約数和(自身を除く): 40402728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1787, 1968, 2952, 3574, 3936, 5361, 5904, 7148, 10722, 11808, 14296, 16083, 21444, 28592, 32166, 42888, 57184, 64332, 73267, 85776, 128664, 146534, 171552, 219801, 257328, 293068, 439602, 514656, 586136, 659403, 879204, 1172272, 1318806, 1758408, 2344544, 2637612, 3516816, 5275224, 7033632, 10550448, 21100896]

約数ペア:

[(1, 21100896), (2, 10550448), (3, 7033632), (4, 5275224), (6, 3516816), (8, 2637612), (9, 2344544), (12, 1758408), (16, 1318806), (18, 1172272), (24, 879204), (32, 659403), (36, 586136), (41, 514656), (48, 439602), (72, 293068), (82, 257328), (96, 219801), (123, 171552), (144, 146534), (164, 128664), (246, 85776), (288, 73267), (328, 64332), (369, 57184), (492, 42888), (656, 32166), (738, 28592), (984, 21444), (1312, 16083), (1476, 14296), (1787, 11808), (1968, 10722), (2952, 7148), (3574, 5904), (3936, 5361)]