21216579930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2590547}}^1$

素因数の和:2590580

約数の個数: 96

約数和(自身を含む): 67893081984

約数和(自身を除く): 46676502054

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 2590547, 5181094, 7771641, 12952735, 15543282, 18133829, 23314923, 25905470, 33677111, 36267658, 38858205, 46629846, 54401487, 67354222, 77716410, 90669145, 101031333, 108802974, 116574615, 163204461, 168385555, 181338290, 202062666, 233149230, 235739777, 272007435, 303093999, 326408922, 336771110, 471479554, 505156665, 544014870, 606187998, 707219331, 816022305, 1010313330, 1178698885, 1414438662, 1515469995, 1632044610, 2121657993, 2357397770, 3030939990, 3536096655, 4243315986, 7072193310, 10608289965, 21216579930]

約数ペア:

[(1, 21216579930), (2, 10608289965), (3, 7072193310), (5, 4243315986), (6, 3536096655), (7, 3030939990), (9, 2357397770), (10, 2121657993), (13, 1632044610), (14, 1515469995), (15, 1414438662), (18, 1178698885), (21, 1010313330), (26, 816022305), (30, 707219331), (35, 606187998), (39, 544014870), (42, 505156665), (45, 471479554), (63, 336771110), (65, 326408922), (70, 303093999), (78, 272007435), (90, 235739777), (91, 233149230), (105, 202062666), (117, 181338290), (126, 168385555), (130, 163204461), (182, 116574615), (195, 108802974), (210, 101031333), (234, 90669145), (273, 77716410), (315, 67354222), (390, 54401487), (455, 46629846), (546, 38858205), (585, 36267658), (630, 33677111), (819, 25905470), (910, 23314923), (1170, 18133829), (1365, 15543282), (1638, 12952735), (2730, 7771641), (4095, 5181094), (8190, 2590547)]