21363615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 49029120

約数和(自身を除く): 27665505

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 37, 39, 45, 47, 63, 65, 91, 105, 111, 117, 135, 141, 185, 189, 195, 235, 259, 273, 315, 329, 333, 351, 423, 455, 481, 555, 585, 611, 705, 777, 819, 945, 987, 999, 1269, 1295, 1365, 1443, 1645, 1665, 1739, 1755, 1833, 2115, 2331, 2405, 2457, 2961, 3055, 3367, 3885, 4095, 4277, 4329, 4935, 4995, 5217, 5499, 6345, 6993, 7215, 8695, 8883, 9165, 10101, 11655, 12173, 12285, 12831, 12987, 14805, 15651, 16497, 16835, 21385, 21645, 22607, 26085, 27495, 30303, 34965, 36519, 38493, 44415, 46953, 50505, 60865, 64155, 64935, 67821, 78255, 82485, 90909, 109557, 113035, 115479, 151515, 158249, 182595, 192465, 203463, 234765, 328671, 339105, 454545, 474747, 547785, 577395, 610389, 791245, 1017315, 1424241, 1643355, 2373735, 3051945, 4272723, 7121205, 21363615]

約数ペア:

[(1, 21363615), (3, 7121205), (5, 4272723), (7, 3051945), (9, 2373735), (13, 1643355), (15, 1424241), (21, 1017315), (27, 791245), (35, 610389), (37, 577395), (39, 547785), (45, 474747), (47, 454545), (63, 339105), (65, 328671), (91, 234765), (105, 203463), (111, 192465), (117, 182595), (135, 158249), (141, 151515), (185, 115479), (189, 113035), (195, 109557), (235, 90909), (259, 82485), (273, 78255), (315, 67821), (329, 64935), (333, 64155), (351, 60865), (423, 50505), (455, 46953), (481, 44415), (555, 38493), (585, 36519), (611, 34965), (705, 30303), (777, 27495), (819, 26085), (945, 22607), (987, 21645), (999, 21385), (1269, 16835), (1295, 16497), (1365, 15651), (1443, 14805), (1645, 12987), (1665, 12831), (1739, 12285), (1755, 12173), (1833, 11655), (2115, 10101), (2331, 9165), (2405, 8883), (2457, 8695), (2961, 7215), (3055, 6993), (3367, 6345), (3885, 5499), (4095, 5217), (4277, 4995), (4329, 4935)]