21244048

素因数分解:

$2^4\times 7^5\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 48627840

約数和(自身を除く): 27383792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 79, 98, 112, 158, 196, 316, 343, 392, 553, 632, 686, 784, 1106, 1264, 1372, 2212, 2401, 2744, 3871, 4424, 4802, 5488, 7742, 8848, 9604, 15484, 16807, 19208, 27097, 30968, 33614, 38416, 54194, 61936, 67228, 108388, 134456, 189679, 216776, 268912, 379358, 433552, 758716, 1327753, 1517432, 2655506, 3034864, 5311012, 10622024, 21244048]

約数ペア:

[(1, 21244048), (2, 10622024), (4, 5311012), (7, 3034864), (8, 2655506), (14, 1517432), (16, 1327753), (28, 758716), (49, 433552), (56, 379358), (79, 268912), (98, 216776), (112, 189679), (158, 134456), (196, 108388), (316, 67228), (343, 61936), (392, 54194), (553, 38416), (632, 33614), (686, 30968), (784, 27097), (1106, 19208), (1264, 16807), (1372, 15484), (2212, 9604), (2401, 8848), (2744, 7742), (3871, 5488), (4424, 4802)]