21557536

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:714

約数の個数: 96

約数和(自身を含む): 57068928

約数和(自身を除く): 35511392

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 673, 728, 1001, 1144, 1232, 1346, 1456, 2002, 2288, 2464, 2692, 2912, 4004, 4576, 4711, 5384, 7403, 8008, 8749, 9422, 10768, 14806, 16016, 17498, 18844, 21536, 29612, 32032, 34996, 37688, 51821, 59224, 61243, 69992, 75376, 96239, 103642, 118448, 122486, 139984, 150752, 192478, 207284, 236896, 244972, 279968, 384956, 414568, 489944, 673673, 769912, 829136, 979888, 1347346, 1539824, 1658272, 1959776, 2694692, 3079648, 5389384, 10778768, 21557536]

約数ペア:

[(1, 21557536), (2, 10778768), (4, 5389384), (7, 3079648), (8, 2694692), (11, 1959776), (13, 1658272), (14, 1539824), (16, 1347346), (22, 979888), (26, 829136), (28, 769912), (32, 673673), (44, 489944), (52, 414568), (56, 384956), (77, 279968), (88, 244972), (91, 236896), (104, 207284), (112, 192478), (143, 150752), (154, 139984), (176, 122486), (182, 118448), (208, 103642), (224, 96239), (286, 75376), (308, 69992), (352, 61243), (364, 59224), (416, 51821), (572, 37688), (616, 34996), (673, 32032), (728, 29612), (1001, 21536), (1144, 18844), (1232, 17498), (1346, 16016), (1456, 14806), (2002, 10768), (2288, 9422), (2464, 8749), (2692, 8008), (2912, 7403), (4004, 5384), (4576, 4711)]