21559122

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 80

約数和(自身を含む): 53970840

約数和(自身を除く): 32411718

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 117, 162, 174, 234, 261, 351, 353, 377, 522, 702, 706, 754, 783, 1053, 1059, 1131, 1566, 2106, 2118, 2262, 2349, 3177, 3393, 4589, 4698, 6354, 6786, 9178, 9531, 10179, 10237, 13767, 19062, 20358, 20474, 27534, 28593, 30537, 30711, 41301, 57186, 61074, 61422, 82602, 92133, 123903, 133081, 184266, 247806, 266162, 276399, 371709, 399243, 552798, 743418, 798486, 829197, 1197729, 1658394, 2395458, 3593187, 7186374, 10779561, 21559122]

約数ペア:

[(1, 21559122), (2, 10779561), (3, 7186374), (6, 3593187), (9, 2395458), (13, 1658394), (18, 1197729), (26, 829197), (27, 798486), (29, 743418), (39, 552798), (54, 399243), (58, 371709), (78, 276399), (81, 266162), (87, 247806), (117, 184266), (162, 133081), (174, 123903), (234, 92133), (261, 82602), (351, 61422), (353, 61074), (377, 57186), (522, 41301), (702, 30711), (706, 30537), (754, 28593), (783, 27534), (1053, 20474), (1059, 20358), (1131, 19062), (1566, 13767), (2106, 10237), (2118, 10179), (2262, 9531), (2349, 9178), (3177, 6786), (3393, 6354), (4589, 4698)]