21007104

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1645

約数の個数: 72

約数和(自身を含む): 59235120

約数和(自身を除く): 38228016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1609, 1632, 2176, 3218, 3264, 4352, 4827, 6436, 6528, 9654, 12872, 13056, 19308, 25744, 27353, 38616, 51488, 54706, 77232, 82059, 102976, 109412, 154464, 164118, 205952, 218824, 308928, 328236, 411904, 437648, 617856, 656472, 875296, 1235712, 1312944, 1750592, 2625888, 3501184, 5251776, 7002368, 10503552, 21007104]

約数ペア:

[(1, 21007104), (2, 10503552), (3, 7002368), (4, 5251776), (6, 3501184), (8, 2625888), (12, 1750592), (16, 1312944), (17, 1235712), (24, 875296), (32, 656472), (34, 617856), (48, 437648), (51, 411904), (64, 328236), (68, 308928), (96, 218824), (102, 205952), (128, 164118), (136, 154464), (192, 109412), (204, 102976), (256, 82059), (272, 77232), (384, 54706), (408, 51488), (544, 38616), (768, 27353), (816, 25744), (1088, 19308), (1609, 13056), (1632, 12872), (2176, 9654), (3218, 6528), (3264, 6436), (4352, 4827)]