21477204

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28409}}^1$

素因数の和:28429

約数の個数: 48

約数和(自身を含む): 63638400

約数和(自身を除く): 42161196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28409, 56818, 85227, 113636, 170454, 198863, 255681, 340908, 397726, 511362, 596589, 767043, 795452, 1022724, 1193178, 1534086, 1789767, 2386356, 3068172, 3579534, 5369301, 7159068, 10738602, 21477204]

約数ペア:

[(1, 21477204), (2, 10738602), (3, 7159068), (4, 5369301), (6, 3579534), (7, 3068172), (9, 2386356), (12, 1789767), (14, 1534086), (18, 1193178), (21, 1022724), (27, 795452), (28, 767043), (36, 596589), (42, 511362), (54, 397726), (63, 340908), (84, 255681), (108, 198863), (126, 170454), (189, 113636), (252, 85227), (378, 56818), (756, 28409)]