21788832

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 66407040

約数和(自身を除く): 44618208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 79, 96, 102, 104, 136, 156, 158, 169, 204, 208, 221, 237, 272, 312, 316, 338, 408, 416, 442, 474, 507, 544, 624, 632, 663, 676, 816, 884, 948, 1014, 1027, 1248, 1264, 1326, 1343, 1352, 1632, 1768, 1896, 2028, 2054, 2528, 2652, 2686, 2704, 2873, 3081, 3536, 3792, 4029, 4056, 4108, 5304, 5372, 5408, 5746, 6162, 7072, 7584, 8058, 8112, 8216, 8619, 10608, 10744, 11492, 12324, 13351, 16116, 16224, 16432, 17238, 17459, 21216, 21488, 22984, 24648, 26702, 32232, 32864, 34476, 34918, 40053, 42976, 45968, 49296, 52377, 53404, 64464, 68952, 69836, 80106, 91936, 98592, 104754, 106808, 128928, 137904, 139672, 160212, 209508, 213616, 226967, 275808, 279344, 320424, 419016, 427232, 453934, 558688, 640848, 680901, 838032, 907868, 1281696, 1361802, 1676064, 1815736, 2723604, 3631472, 5447208, 7262944, 10894416, 21788832]

約数ペア:

[(1, 21788832), (2, 10894416), (3, 7262944), (4, 5447208), (6, 3631472), (8, 2723604), (12, 1815736), (13, 1676064), (16, 1361802), (17, 1281696), (24, 907868), (26, 838032), (32, 680901), (34, 640848), (39, 558688), (48, 453934), (51, 427232), (52, 419016), (68, 320424), (78, 279344), (79, 275808), (96, 226967), (102, 213616), (104, 209508), (136, 160212), (156, 139672), (158, 137904), (169, 128928), (204, 106808), (208, 104754), (221, 98592), (237, 91936), (272, 80106), (312, 69836), (316, 68952), (338, 64464), (408, 53404), (416, 52377), (442, 49296), (474, 45968), (507, 42976), (544, 40053), (624, 34918), (632, 34476), (663, 32864), (676, 32232), (816, 26702), (884, 24648), (948, 22984), (1014, 21488), (1027, 21216), (1248, 17459), (1264, 17238), (1326, 16432), (1343, 16224), (1352, 16116), (1632, 13351), (1768, 12324), (1896, 11492), (2028, 10744), (2054, 10608), (2528, 8619), (2652, 8216), (2686, 8112), (2704, 8058), (2873, 7584), (3081, 7072), (3536, 6162), (3792, 5746), (4029, 5408), (4056, 5372), (4108, 5304)]