21300162

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 28245054

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 383, 403, 598, 713, 766, 806, 897, 1149, 1209, 1426, 1794, 2139, 2298, 2418, 4278, 4979, 8809, 9269, 9958, 11873, 14937, 17618, 18538, 23746, 26427, 27807, 29874, 35619, 52854, 55614, 71238, 114517, 154349, 229034, 273079, 308698, 343551, 463047, 546158, 687102, 819237, 926094, 1638474, 3550027, 7100054, 10650081, 21300162]

約数ペア:

[(1, 21300162), (2, 10650081), (3, 7100054), (6, 3550027), (13, 1638474), (23, 926094), (26, 819237), (31, 687102), (39, 546158), (46, 463047), (62, 343551), (69, 308698), (78, 273079), (93, 229034), (138, 154349), (186, 114517), (299, 71238), (383, 55614), (403, 52854), (598, 35619), (713, 29874), (766, 27807), (806, 26427), (897, 23746), (1149, 18538), (1209, 17618), (1426, 14937), (1794, 11873), (2139, 9958), (2298, 9269), (2418, 8809), (4278, 4979)]