21403494

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8089}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 55335600

約数和(自身を除く): 33932106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8089, 16178, 24267, 48534, 56623, 72801, 113246, 145602, 169869, 218403, 339738, 396361, 436806, 509607, 792722, 1019214, 1189083, 1528821, 2378166, 3057642, 3567249, 7134498, 10701747, 21403494]

約数ペア:

[(1, 21403494), (2, 10701747), (3, 7134498), (6, 3567249), (7, 3057642), (9, 2378166), (14, 1528821), (18, 1189083), (21, 1019214), (27, 792722), (42, 509607), (49, 436806), (54, 396361), (63, 339738), (98, 218403), (126, 169869), (147, 145602), (189, 113246), (294, 72801), (378, 56623), (441, 48534), (882, 24267), (1323, 16178), (2646, 8089)]