21447264

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5449}}^1$

素因数の和:5503

約数の個数: 48

約数和(自身を含む): 57682800

約数和(自身を除く): 36235536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5449, 10898, 16347, 21796, 32694, 43592, 65388, 87184, 130776, 174368, 223409, 261552, 446818, 523104, 670227, 893636, 1340454, 1787272, 2680908, 3574544, 5361816, 7149088, 10723632, 21447264]

約数ペア:

[(1, 21447264), (2, 10723632), (3, 7149088), (4, 5361816), (6, 3574544), (8, 2680908), (12, 1787272), (16, 1340454), (24, 893636), (32, 670227), (41, 523104), (48, 446818), (82, 261552), (96, 223409), (123, 174368), (164, 130776), (246, 87184), (328, 65388), (492, 43592), (656, 32694), (984, 21796), (1312, 16347), (1968, 10898), (3936, 5449)]