21167369660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{2137}}^1$

素因数の和:2583

約数の個数: 96

約数和(自身を含む): 47300222592

約数和(自身を除く): 26132852932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 353, 460, 610, 706, 1220, 1403, 1412, 1765, 2137, 2806, 3530, 4274, 5612, 7015, 7060, 8119, 8548, 10685, 14030, 16238, 21370, 21533, 28060, 32476, 40595, 42740, 43066, 49151, 81190, 86132, 98302, 107665, 130357, 162380, 196604, 215330, 245755, 260714, 430660, 491510, 495259, 521428, 651785, 754361, 983020, 990518, 1303570, 1508722, 1981036, 2476295, 2607140, 2998211, 3017444, 3771805, 4952590, 5996422, 7543610, 9905180, 11992844, 14991055, 15087220, 17350303, 29982110, 34700606, 46016021, 59964220, 69401212, 86751515, 92032042, 173503030, 184064084, 230080105, 347006060, 460160210, 920320420, 1058368483, 2116736966, 4233473932, 5291842415, 10583684830, 21167369660]

約数ペア:

[(1, 21167369660), (2, 10583684830), (4, 5291842415), (5, 4233473932), (10, 2116736966), (20, 1058368483), (23, 920320420), (46, 460160210), (61, 347006060), (92, 230080105), (115, 184064084), (122, 173503030), (230, 92032042), (244, 86751515), (305, 69401212), (353, 59964220), (460, 46016021), (610, 34700606), (706, 29982110), (1220, 17350303), (1403, 15087220), (1412, 14991055), (1765, 11992844), (2137, 9905180), (2806, 7543610), (3530, 5996422), (4274, 4952590), (5612, 3771805), (7015, 3017444), (7060, 2998211), (8119, 2607140), (8548, 2476295), (10685, 1981036), (14030, 1508722), (16238, 1303570), (21370, 990518), (21533, 983020), (28060, 754361), (32476, 651785), (40595, 521428), (42740, 495259), (43066, 491510), (49151, 430660), (81190, 260714), (86132, 245755), (98302, 215330), (107665, 196604), (130357, 162380)]