21293095616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{133993}}^1$

素因数の和:134209

約数の個数: 56

約数和(自身を含む): 45742335744

約数和(自身を除く): 24449240128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 191, 208, 382, 416, 764, 832, 1528, 2483, 3056, 4966, 6112, 9932, 12224, 19864, 39728, 79456, 133993, 158912, 267986, 535972, 1071944, 1741909, 2143888, 3483818, 4287776, 6967636, 8575552, 13935272, 25592663, 27870544, 51185326, 55741088, 102370652, 111482176, 204741304, 332704619, 409482608, 665409238, 818965216, 1330818476, 1637930432, 2661636952, 5323273904, 10646547808, 21293095616]

約数ペア:

[(1, 21293095616), (2, 10646547808), (4, 5323273904), (8, 2661636952), (13, 1637930432), (16, 1330818476), (26, 818965216), (32, 665409238), (52, 409482608), (64, 332704619), (104, 204741304), (191, 111482176), (208, 102370652), (382, 55741088), (416, 51185326), (764, 27870544), (832, 25592663), (1528, 13935272), (2483, 8575552), (3056, 6967636), (4966, 4287776), (6112, 3483818), (9932, 2143888), (12224, 1741909), (19864, 1071944), (39728, 535972), (79456, 267986), (133993, 158912)]