21986291214

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{30643}}^1$

素因数の和:30803

約数の個数: 80

約数和(自身を含む): 50902380672

約数和(自身を除く): 28916089458

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 103, 129, 162, 206, 258, 309, 387, 618, 774, 927, 1161, 1854, 2322, 2781, 3483, 4429, 5562, 6966, 8343, 8858, 13287, 16686, 26574, 30643, 39861, 61286, 79722, 91929, 119583, 183858, 239166, 275787, 358749, 551574, 717498, 827361, 1317649, 1654722, 2482083, 2635298, 3156229, 3952947, 4964166, 6312458, 7905894, 9468687, 11858841, 18937374, 23717682, 28406061, 35576523, 56812122, 71153046, 85218183, 106729569, 135717847, 170436366, 213459138, 255654549, 271435694, 407153541, 511309098, 814307082, 1221460623, 2442921246, 3664381869, 7328763738, 10993145607, 21986291214]

約数ペア:

[(1, 21986291214), (2, 10993145607), (3, 7328763738), (6, 3664381869), (9, 2442921246), (18, 1221460623), (27, 814307082), (43, 511309098), (54, 407153541), (81, 271435694), (86, 255654549), (103, 213459138), (129, 170436366), (162, 135717847), (206, 106729569), (258, 85218183), (309, 71153046), (387, 56812122), (618, 35576523), (774, 28406061), (927, 23717682), (1161, 18937374), (1854, 11858841), (2322, 9468687), (2781, 7905894), (3483, 6312458), (4429, 4964166), (5562, 3952947), (6966, 3156229), (8343, 2635298), (8858, 2482083), (13287, 1654722), (16686, 1317649), (26574, 827361), (30643, 717498), (39861, 551574), (61286, 358749), (79722, 275787), (91929, 239166), (119583, 183858)]