21817776

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 38892624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 76, 94, 114, 141, 152, 188, 228, 282, 304, 376, 456, 509, 564, 752, 893, 912, 1018, 1128, 1527, 1786, 2036, 2256, 2679, 3054, 3572, 4072, 5358, 6108, 7144, 8144, 9671, 10716, 12216, 14288, 19342, 21432, 23923, 24432, 29013, 38684, 42864, 47846, 58026, 71769, 77368, 95692, 116052, 143538, 154736, 191384, 232104, 287076, 382768, 454537, 464208, 574152, 909074, 1148304, 1363611, 1818148, 2727222, 3636296, 5454444, 7272592, 10908888, 21817776]

約数ペア:

[(1, 21817776), (2, 10908888), (3, 7272592), (4, 5454444), (6, 3636296), (8, 2727222), (12, 1818148), (16, 1363611), (19, 1148304), (24, 909074), (38, 574152), (47, 464208), (48, 454537), (57, 382768), (76, 287076), (94, 232104), (114, 191384), (141, 154736), (152, 143538), (188, 116052), (228, 95692), (282, 77368), (304, 71769), (376, 58026), (456, 47846), (509, 42864), (564, 38684), (752, 29013), (893, 24432), (912, 23923), (1018, 21432), (1128, 19342), (1527, 14288), (1786, 12216), (2036, 10716), (2256, 9671), (2679, 8144), (3054, 7144), (3572, 6108), (4072, 5358)]