21031915072

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{2389}}^1$

素因数の和:2908

約数の個数: 112

約数和(自身を含む): 48933892480

約数和(自身を除く): 27901977408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 457, 602, 688, 914, 1204, 1376, 1828, 2389, 2408, 2752, 3199, 3656, 4778, 4816, 6398, 7312, 9556, 9632, 12796, 14624, 16723, 19112, 19264, 19651, 25592, 29248, 33446, 38224, 39302, 51184, 66892, 76448, 78604, 102368, 102727, 133784, 137557, 152896, 157208, 204736, 205454, 267568, 275114, 314416, 410908, 535136, 550228, 628832, 719089, 821816, 1070272, 1091773, 1100456, 1257664, 1438178, 1643632, 2183546, 2200912, 2876356, 3287264, 4367092, 4401824, 5752712, 6574528, 7642411, 8734184, 8803648, 11505424, 15284822, 17468368, 23010848, 30569644, 34936736, 46021696, 46946239, 61139288, 69873472, 93892478, 122278576, 187784956, 244557152, 328623673, 375569912, 489114304, 657247346, 751139824, 1314494692, 1502279648, 2628989384, 3004559296, 5257978768, 10515957536, 21031915072]

約数ペア:

[(1, 21031915072), (2, 10515957536), (4, 5257978768), (7, 3004559296), (8, 2628989384), (14, 1502279648), (16, 1314494692), (28, 751139824), (32, 657247346), (43, 489114304), (56, 375569912), (64, 328623673), (86, 244557152), (112, 187784956), (172, 122278576), (224, 93892478), (301, 69873472), (344, 61139288), (448, 46946239), (457, 46021696), (602, 34936736), (688, 30569644), (914, 23010848), (1204, 17468368), (1376, 15284822), (1828, 11505424), (2389, 8803648), (2408, 8734184), (2752, 7642411), (3199, 6574528), (3656, 5752712), (4778, 4401824), (4816, 4367092), (6398, 3287264), (7312, 2876356), (9556, 2200912), (9632, 2183546), (12796, 1643632), (14624, 1438178), (16723, 1257664), (19112, 1100456), (19264, 1091773), (19651, 1070272), (25592, 821816), (29248, 719089), (33446, 628832), (38224, 550228), (39302, 535136), (51184, 410908), (66892, 314416), (76448, 275114), (78604, 267568), (102368, 205454), (102727, 204736), (133784, 157208), (137557, 152896)]