21328937064

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{720767}}^1$

素因数の和:720919

約数の個数: 64

約数和(自身を含む): 59679590400

約数和(自身を除く): 38350653336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 822, 1096, 1233, 1644, 2466, 3288, 3699, 4932, 7398, 9864, 14796, 29592, 720767, 1441534, 2162301, 2883068, 4324602, 5766136, 6486903, 8649204, 12973806, 17298408, 19460709, 25947612, 38921418, 51895224, 77842836, 98745079, 155685672, 197490158, 296235237, 394980316, 592470474, 789960632, 888705711, 1184940948, 1777411422, 2369881896, 2666117133, 3554822844, 5332234266, 7109645688, 10664468532, 21328937064]

約数ペア:

[(1, 21328937064), (2, 10664468532), (3, 7109645688), (4, 5332234266), (6, 3554822844), (8, 2666117133), (9, 2369881896), (12, 1777411422), (18, 1184940948), (24, 888705711), (27, 789960632), (36, 592470474), (54, 394980316), (72, 296235237), (108, 197490158), (137, 155685672), (216, 98745079), (274, 77842836), (411, 51895224), (548, 38921418), (822, 25947612), (1096, 19460709), (1233, 17298408), (1644, 12973806), (2466, 8649204), (3288, 6486903), (3699, 5766136), (4932, 4324602), (7398, 2883068), (9864, 2162301), (14796, 1441534), (29592, 720767)]