21078792

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{1549}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 67704000

約数和(自身を除く): 46625208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1512, 1549, 1701, 1944, 2268, 3098, 3402, 4536, 4647, 6196, 6804, 9294, 10843, 12392, 13608, 13941, 18588, 21686, 27882, 32529, 37176, 41823, 43372, 55764, 65058, 83646, 86744, 97587, 111528, 125469, 130116, 167292, 195174, 250938, 260232, 292761, 334584, 376407, 390348, 501876, 585522, 752814, 780696, 878283, 1003752, 1171044, 1505628, 1756566, 2342088, 2634849, 3011256, 3513132, 5269698, 7026264, 10539396, 21078792]

約数ペア:

[(1, 21078792), (2, 10539396), (3, 7026264), (4, 5269698), (6, 3513132), (7, 3011256), (8, 2634849), (9, 2342088), (12, 1756566), (14, 1505628), (18, 1171044), (21, 1003752), (24, 878283), (27, 780696), (28, 752814), (36, 585522), (42, 501876), (54, 390348), (56, 376407), (63, 334584), (72, 292761), (81, 260232), (84, 250938), (108, 195174), (126, 167292), (162, 130116), (168, 125469), (189, 111528), (216, 97587), (243, 86744), (252, 83646), (324, 65058), (378, 55764), (486, 43372), (504, 41823), (567, 37176), (648, 32529), (756, 27882), (972, 21686), (1134, 18588), (1512, 13941), (1549, 13608), (1701, 12392), (1944, 10843), (2268, 9294), (3098, 6804), (3402, 6196), (4536, 4647)]