21291258222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{165133}}^1$

素因数の和:165202

約数の個数: 96

約数和(自身を含む): 54097898400

約数和(自身を除く): 32806640178

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 117, 171, 174, 234, 247, 261, 342, 377, 494, 522, 551, 741, 754, 1102, 1131, 1482, 1653, 2223, 2262, 3306, 3393, 4446, 4959, 6786, 7163, 9918, 14326, 21489, 42978, 64467, 128934, 165133, 330266, 495399, 990798, 1486197, 2146729, 2972394, 3137527, 4293458, 4788857, 6275054, 6440187, 9412581, 9577714, 12880374, 14366571, 18825162, 19320561, 28237743, 28733142, 38641122, 40787851, 43099713, 56475486, 62255141, 81575702, 86199426, 90988283, 122363553, 124510282, 181976566, 186765423, 244727106, 272964849, 367090659, 373530846, 545929698, 560296269, 734181318, 818894547, 1120592538, 1182847679, 1637789094, 2365695358, 3548543037, 7097086074, 10645629111, 21291258222]

約数ペア:

[(1, 21291258222), (2, 10645629111), (3, 7097086074), (6, 3548543037), (9, 2365695358), (13, 1637789094), (18, 1182847679), (19, 1120592538), (26, 818894547), (29, 734181318), (38, 560296269), (39, 545929698), (57, 373530846), (58, 367090659), (78, 272964849), (87, 244727106), (114, 186765423), (117, 181976566), (171, 124510282), (174, 122363553), (234, 90988283), (247, 86199426), (261, 81575702), (342, 62255141), (377, 56475486), (494, 43099713), (522, 40787851), (551, 38641122), (741, 28733142), (754, 28237743), (1102, 19320561), (1131, 18825162), (1482, 14366571), (1653, 12880374), (2223, 9577714), (2262, 9412581), (3306, 6440187), (3393, 6275054), (4446, 4788857), (4959, 4293458), (6786, 3137527), (7163, 2972394), (9918, 2146729), (14326, 1486197), (21489, 990798), (42978, 495399), (64467, 330266), (128934, 165133)]