21699418180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12973}}^1\times {\mathrm{7603}}^1$

素因数の和:20596

約数の個数: 48

約数和(自身を含む): 49721765184

約数和(自身を除く): 28022347004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7603, 12973, 15206, 25946, 30412, 38015, 51892, 64865, 76030, 83633, 129730, 142703, 152060, 167266, 259460, 285406, 334532, 418165, 570812, 713515, 836330, 1427030, 1672660, 2854060, 98633719, 197267438, 394534876, 493168595, 986337190, 1084970909, 1972674380, 2169941818, 4339883636, 5424854545, 10849709090, 21699418180]

約数ペア:

[(1, 21699418180), (2, 10849709090), (4, 5424854545), (5, 4339883636), (10, 2169941818), (11, 1972674380), (20, 1084970909), (22, 986337190), (44, 493168595), (55, 394534876), (110, 197267438), (220, 98633719), (7603, 2854060), (12973, 1672660), (15206, 1427030), (25946, 836330), (30412, 713515), (38015, 570812), (51892, 418165), (64865, 334532), (76030, 285406), (83633, 259460), (129730, 167266), (142703, 152060)]