21244832

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:838

約数の個数: 72

約数和(自身を含む): 51581124

約数和(自身を除く): 30336292

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 797, 833, 952, 1568, 1594, 1666, 1904, 3188, 3332, 3808, 5579, 6376, 6664, 11158, 12752, 13328, 13549, 22316, 25504, 26656, 27098, 39053, 44632, 54196, 78106, 89264, 94843, 108392, 156212, 178528, 189686, 216784, 312424, 379372, 433568, 624848, 663901, 758744, 1249696, 1327802, 1517488, 2655604, 3034976, 5311208, 10622416, 21244832]

約数ペア:

[(1, 21244832), (2, 10622416), (4, 5311208), (7, 3034976), (8, 2655604), (14, 1517488), (16, 1327802), (17, 1249696), (28, 758744), (32, 663901), (34, 624848), (49, 433568), (56, 379372), (68, 312424), (98, 216784), (112, 189686), (119, 178528), (136, 156212), (196, 108392), (224, 94843), (238, 89264), (272, 78106), (392, 54196), (476, 44632), (544, 39053), (784, 27098), (797, 26656), (833, 25504), (952, 22316), (1568, 13549), (1594, 13328), (1666, 12752), (1904, 11158), (3188, 6664), (3332, 6376), (3808, 5579)]