21861630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 46567170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 269, 270, 301, 315, 378, 387, 430, 538, 602, 630, 645, 774, 807, 903, 945, 1161, 1290, 1345, 1505, 1614, 1806, 1883, 1890, 1935, 2322, 2421, 2690, 2709, 3010, 3766, 3870, 4035, 4515, 4842, 5418, 5649, 5805, 7263, 8070, 8127, 9030, 9415, 11298, 11567, 11610, 12105, 13545, 14526, 16254, 16947, 18830, 23134, 24210, 27090, 28245, 33894, 34701, 36315, 40635, 50841, 56490, 57835, 69402, 72630, 80969, 81270, 84735, 101682, 104103, 115670, 161938, 169470, 173505, 208206, 242907, 254205, 312309, 347010, 404845, 485814, 508410, 520515, 624618, 728721, 809690, 1041030, 1214535, 1457442, 1561545, 2186163, 2429070, 3123090, 3643605, 4372326, 7287210, 10930815, 21861630]

約数ペア:

[(1, 21861630), (2, 10930815), (3, 7287210), (5, 4372326), (6, 3643605), (7, 3123090), (9, 2429070), (10, 2186163), (14, 1561545), (15, 1457442), (18, 1214535), (21, 1041030), (27, 809690), (30, 728721), (35, 624618), (42, 520515), (43, 508410), (45, 485814), (54, 404845), (63, 347010), (70, 312309), (86, 254205), (90, 242907), (105, 208206), (126, 173505), (129, 169470), (135, 161938), (189, 115670), (210, 104103), (215, 101682), (258, 84735), (269, 81270), (270, 80969), (301, 72630), (315, 69402), (378, 57835), (387, 56490), (430, 50841), (538, 40635), (602, 36315), (630, 34701), (645, 33894), (774, 28245), (807, 27090), (903, 24210), (945, 23134), (1161, 18830), (1290, 16947), (1345, 16254), (1505, 14526), (1614, 13545), (1806, 12105), (1883, 11610), (1890, 11567), (1935, 11298), (2322, 9415), (2421, 9030), (2690, 8127), (2709, 8070), (3010, 7263), (3766, 5805), (3870, 5649), (4035, 5418), (4515, 4842)]