21946806

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 34072794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 167, 294, 298, 334, 441, 447, 501, 882, 894, 1002, 1043, 1169, 1341, 1503, 2086, 2338, 2682, 3006, 3129, 3507, 6258, 7014, 7301, 8183, 9387, 10521, 14602, 16366, 18774, 21042, 21903, 24549, 24883, 43806, 49098, 49766, 65709, 73647, 74649, 131418, 147294, 149298, 174181, 223947, 348362, 447894, 522543, 1045086, 1219267, 1567629, 2438534, 3135258, 3657801, 7315602, 10973403, 21946806]

約数ペア:

[(1, 21946806), (2, 10973403), (3, 7315602), (6, 3657801), (7, 3135258), (9, 2438534), (14, 1567629), (18, 1219267), (21, 1045086), (42, 522543), (49, 447894), (63, 348362), (98, 223947), (126, 174181), (147, 149298), (149, 147294), (167, 131418), (294, 74649), (298, 73647), (334, 65709), (441, 49766), (447, 49098), (501, 43806), (882, 24883), (894, 24549), (1002, 21903), (1043, 21042), (1169, 18774), (1341, 16366), (1503, 14602), (2086, 10521), (2338, 9387), (2682, 8183), (3006, 7301), (3129, 7014), (3507, 6258)]