21519232

素因数分解:

$2^7\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 51628320

約数和(自身を除く): 30109088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 73, 94, 98, 112, 128, 146, 188, 196, 224, 292, 329, 376, 392, 448, 511, 584, 658, 752, 784, 896, 1022, 1168, 1316, 1504, 1568, 2044, 2303, 2336, 2632, 3008, 3136, 3431, 3577, 4088, 4606, 4672, 5264, 6016, 6272, 6862, 7154, 8176, 9212, 9344, 10528, 13724, 14308, 16352, 18424, 21056, 24017, 27448, 28616, 32704, 36848, 42112, 48034, 54896, 57232, 65408, 73696, 96068, 109792, 114464, 147392, 168119, 192136, 219584, 228928, 294784, 336238, 384272, 439168, 457856, 672476, 768544, 1344952, 1537088, 2689904, 3074176, 5379808, 10759616, 21519232]

約数ペア:

[(1, 21519232), (2, 10759616), (4, 5379808), (7, 3074176), (8, 2689904), (14, 1537088), (16, 1344952), (28, 768544), (32, 672476), (47, 457856), (49, 439168), (56, 384272), (64, 336238), (73, 294784), (94, 228928), (98, 219584), (112, 192136), (128, 168119), (146, 147392), (188, 114464), (196, 109792), (224, 96068), (292, 73696), (329, 65408), (376, 57232), (392, 54896), (448, 48034), (511, 42112), (584, 36848), (658, 32704), (752, 28616), (784, 27448), (896, 24017), (1022, 21056), (1168, 18424), (1316, 16352), (1504, 14308), (1568, 13724), (2044, 10528), (2303, 9344), (2336, 9212), (2632, 8176), (3008, 7154), (3136, 6862), (3431, 6272), (3577, 6016), (4088, 5264), (4606, 4672)]