21074004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 61309248

約数和(自身を除く): 40235244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 347, 482, 694, 723, 964, 1041, 1388, 1446, 1687, 2082, 2169, 2429, 2892, 3123, 3374, 4164, 4338, 4858, 5061, 6246, 6748, 7287, 8676, 9716, 10122, 12492, 14574, 15183, 20244, 21861, 29148, 30366, 43722, 60732, 83627, 87444, 167254, 250881, 334508, 501762, 585389, 752643, 1003524, 1170778, 1505286, 1756167, 2341556, 3010572, 3512334, 5268501, 7024668, 10537002, 21074004]

約数ペア:

[(1, 21074004), (2, 10537002), (3, 7024668), (4, 5268501), (6, 3512334), (7, 3010572), (9, 2341556), (12, 1756167), (14, 1505286), (18, 1170778), (21, 1003524), (28, 752643), (36, 585389), (42, 501762), (63, 334508), (84, 250881), (126, 167254), (241, 87444), (252, 83627), (347, 60732), (482, 43722), (694, 30366), (723, 29148), (964, 21861), (1041, 20244), (1388, 15183), (1446, 14574), (1687, 12492), (2082, 10122), (2169, 9716), (2429, 8676), (2892, 7287), (3123, 6748), (3374, 6246), (4164, 5061), (4338, 4858)]