21979161036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1933}}^1\times {\mathrm{45121}}^1$

素因数の和:47071

約数の個数: 72

約数和(自身を含む): 63529610144

約数和(自身を除く): 41550449108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1933, 3866, 5799, 7732, 11598, 13531, 17397, 23196, 27062, 34794, 40593, 45121, 54124, 69588, 81186, 90242, 121779, 135363, 162372, 180484, 243558, 270726, 315847, 406089, 487116, 541452, 631694, 812178, 947541, 1263388, 1624356, 1895082, 2842623, 3790164, 5685246, 11370492, 87218893, 174437786, 261656679, 348875572, 523313358, 610532251, 784970037, 1046626716, 1221064502, 1569940074, 1831596753, 2442129004, 3139880148, 3663193506, 5494790259, 7326387012, 10989580518, 21979161036]

約数ペア:

[(1, 21979161036), (2, 10989580518), (3, 7326387012), (4, 5494790259), (6, 3663193506), (7, 3139880148), (9, 2442129004), (12, 1831596753), (14, 1569940074), (18, 1221064502), (21, 1046626716), (28, 784970037), (36, 610532251), (42, 523313358), (63, 348875572), (84, 261656679), (126, 174437786), (252, 87218893), (1933, 11370492), (3866, 5685246), (5799, 3790164), (7732, 2842623), (11598, 1895082), (13531, 1624356), (17397, 1263388), (23196, 947541), (27062, 812178), (34794, 631694), (40593, 541452), (45121, 487116), (54124, 406089), (69588, 315847), (81186, 270726), (90242, 243558), (121779, 180484), (135363, 162372)]