21907648

素因数分解:

$2^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 56

約数和(自身を含む): 50393600

約数和(自身を除く): 28485952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 158, 224, 316, 448, 553, 619, 632, 1106, 1238, 1264, 2212, 2476, 2528, 4333, 4424, 4952, 5056, 8666, 8848, 9904, 17332, 17696, 19808, 34664, 35392, 39616, 48901, 69328, 97802, 138656, 195604, 277312, 342307, 391208, 684614, 782416, 1369228, 1564832, 2738456, 3129664, 5476912, 10953824, 21907648]

約数ペア:

[(1, 21907648), (2, 10953824), (4, 5476912), (7, 3129664), (8, 2738456), (14, 1564832), (16, 1369228), (28, 782416), (32, 684614), (56, 391208), (64, 342307), (79, 277312), (112, 195604), (158, 138656), (224, 97802), (316, 69328), (448, 48901), (553, 39616), (619, 35392), (632, 34664), (1106, 19808), (1238, 17696), (1264, 17332), (2212, 9904), (2476, 8848), (2528, 8666), (4333, 5056), (4424, 4952)]