21651318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 51310896

約数和(自身を除く): 29659578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1381, 1742, 2613, 2762, 4143, 5226, 7839, 8286, 12429, 15678, 17953, 24858, 35906, 53859, 92527, 107718, 161577, 185054, 277581, 323154, 555162, 832743, 1202851, 1665486, 2405702, 3608553, 7217106, 10825659, 21651318]

約数ペア:

[(1, 21651318), (2, 10825659), (3, 7217106), (6, 3608553), (9, 2405702), (13, 1665486), (18, 1202851), (26, 832743), (39, 555162), (67, 323154), (78, 277581), (117, 185054), (134, 161577), (201, 107718), (234, 92527), (402, 53859), (603, 35906), (871, 24858), (1206, 17953), (1381, 15678), (1742, 12429), (2613, 8286), (2762, 7839), (4143, 5226)]