21452496

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 61662720

約数和(自身を除く): 40210224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1109, 1209, 1488, 1612, 2218, 2418, 3224, 3327, 4436, 4836, 6448, 6654, 8872, 9672, 13308, 14417, 17744, 19344, 26616, 28834, 34379, 43251, 53232, 57668, 68758, 86502, 103137, 115336, 137516, 173004, 206274, 230672, 275032, 346008, 412548, 446927, 550064, 692016, 825096, 893854, 1340781, 1650192, 1787708, 2681562, 3575416, 5363124, 7150832, 10726248, 21452496]

約数ペア:

[(1, 21452496), (2, 10726248), (3, 7150832), (4, 5363124), (6, 3575416), (8, 2681562), (12, 1787708), (13, 1650192), (16, 1340781), (24, 893854), (26, 825096), (31, 692016), (39, 550064), (48, 446927), (52, 412548), (62, 346008), (78, 275032), (93, 230672), (104, 206274), (124, 173004), (156, 137516), (186, 115336), (208, 103137), (248, 86502), (312, 68758), (372, 57668), (403, 53232), (496, 43251), (624, 34379), (744, 28834), (806, 26616), (1109, 19344), (1209, 17744), (1488, 14417), (1612, 13308), (2218, 9672), (2418, 8872), (3224, 6654), (3327, 6448), (4436, 4836)]