21028248

素因数分解:

$2^3\times 3^5\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 61261200

約数和(自身を除く): 40232952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 243, 261, 324, 348, 373, 486, 522, 648, 696, 746, 783, 972, 1044, 1119, 1492, 1566, 1944, 2088, 2238, 2349, 2984, 3132, 3357, 4476, 4698, 6264, 6714, 7047, 8952, 9396, 10071, 10817, 13428, 14094, 18792, 20142, 21634, 26856, 28188, 30213, 32451, 40284, 43268, 56376, 60426, 64902, 80568, 86536, 90639, 97353, 120852, 129804, 181278, 194706, 241704, 259608, 292059, 362556, 389412, 584118, 725112, 778824, 876177, 1168236, 1752354, 2336472, 2628531, 3504708, 5257062, 7009416, 10514124, 21028248]

約数ペア:

[(1, 21028248), (2, 10514124), (3, 7009416), (4, 5257062), (6, 3504708), (8, 2628531), (9, 2336472), (12, 1752354), (18, 1168236), (24, 876177), (27, 778824), (29, 725112), (36, 584118), (54, 389412), (58, 362556), (72, 292059), (81, 259608), (87, 241704), (108, 194706), (116, 181278), (162, 129804), (174, 120852), (216, 97353), (232, 90639), (243, 86536), (261, 80568), (324, 64902), (348, 60426), (373, 56376), (486, 43268), (522, 40284), (648, 32451), (696, 30213), (746, 28188), (783, 26856), (972, 21634), (1044, 20142), (1119, 18792), (1492, 14094), (1566, 13428), (1944, 10817), (2088, 10071), (2238, 9396), (2349, 8952), (2984, 7047), (3132, 6714), (3357, 6264), (4476, 4698)]