21620448

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1888

約数の個数: 72

約数和(自身を含む): 63017136

約数和(自身を除く): 41396688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1831, 1968, 2952, 3662, 3936, 5493, 5904, 7324, 10986, 11808, 14648, 16479, 21972, 29296, 32958, 43944, 58592, 65916, 75071, 87888, 131832, 150142, 175776, 225213, 263664, 300284, 450426, 527328, 600568, 675639, 900852, 1201136, 1351278, 1801704, 2402272, 2702556, 3603408, 5405112, 7206816, 10810224, 21620448]

約数ペア:

[(1, 21620448), (2, 10810224), (3, 7206816), (4, 5405112), (6, 3603408), (8, 2702556), (9, 2402272), (12, 1801704), (16, 1351278), (18, 1201136), (24, 900852), (32, 675639), (36, 600568), (41, 527328), (48, 450426), (72, 300284), (82, 263664), (96, 225213), (123, 175776), (144, 150142), (164, 131832), (246, 87888), (288, 75071), (328, 65916), (369, 58592), (492, 43944), (656, 32958), (738, 29296), (984, 21972), (1312, 16479), (1476, 14648), (1831, 11808), (1968, 10986), (2952, 7324), (3662, 5904), (3936, 5493)]