21969576

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 67046400

約数和(自身を除く): 45076824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 31, 34, 36, 51, 54, 62, 68, 72, 93, 102, 108, 124, 136, 153, 186, 193, 204, 216, 248, 279, 306, 372, 386, 408, 459, 527, 558, 579, 612, 744, 772, 837, 918, 1054, 1116, 1158, 1224, 1544, 1581, 1674, 1737, 1836, 2108, 2232, 2316, 3162, 3281, 3348, 3474, 3672, 4216, 4632, 4743, 5211, 5983, 6324, 6562, 6696, 6948, 9486, 9843, 10422, 11966, 12648, 13124, 13896, 14229, 17949, 18972, 19686, 20844, 23932, 26248, 28458, 29529, 35898, 37944, 39372, 41688, 47864, 53847, 56916, 59058, 71796, 78744, 88587, 101711, 107694, 113832, 118116, 143592, 161541, 177174, 203422, 215388, 236232, 305133, 323082, 354348, 406844, 430776, 610266, 646164, 708696, 813688, 915399, 1220532, 1292328, 1830798, 2441064, 2746197, 3661596, 5492394, 7323192, 10984788, 21969576]

約数ペア:

[(1, 21969576), (2, 10984788), (3, 7323192), (4, 5492394), (6, 3661596), (8, 2746197), (9, 2441064), (12, 1830798), (17, 1292328), (18, 1220532), (24, 915399), (27, 813688), (31, 708696), (34, 646164), (36, 610266), (51, 430776), (54, 406844), (62, 354348), (68, 323082), (72, 305133), (93, 236232), (102, 215388), (108, 203422), (124, 177174), (136, 161541), (153, 143592), (186, 118116), (193, 113832), (204, 107694), (216, 101711), (248, 88587), (279, 78744), (306, 71796), (372, 59058), (386, 56916), (408, 53847), (459, 47864), (527, 41688), (558, 39372), (579, 37944), (612, 35898), (744, 29529), (772, 28458), (837, 26248), (918, 23932), (1054, 20844), (1116, 19686), (1158, 18972), (1224, 17949), (1544, 14229), (1581, 13896), (1674, 13124), (1737, 12648), (1836, 11966), (2108, 10422), (2232, 9843), (2316, 9486), (3162, 6948), (3281, 6696), (3348, 6562), (3474, 6324), (3672, 5983), (4216, 5211), (4632, 4743)]