21006156948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1\times {\mathrm{2269}}^1$

素因数の和:2949

約数の個数: 96

約数和(自身を含む): 56380262400

約数和(自身を除く): 35374105452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 307, 359, 614, 718, 921, 1077, 1228, 1436, 1842, 2149, 2154, 2269, 2513, 3684, 4298, 4308, 4538, 5026, 6447, 6807, 7539, 8596, 9076, 10052, 12894, 13614, 15078, 15883, 25788, 27228, 30156, 31766, 47649, 63532, 95298, 110213, 190596, 220426, 330639, 440852, 661278, 696583, 771491, 814571, 1322556, 1393166, 1542982, 1629142, 2089749, 2314473, 2443713, 2786332, 3085964, 3258284, 4179498, 4628946, 4876081, 4887426, 5701997, 8358996, 9257892, 9752162, 9774852, 11403994, 14628243, 17105991, 19504324, 22807988, 29256486, 34211982, 58512972, 68423964, 250073297, 500146594, 750219891, 1000293188, 1500439782, 1750513079, 3000879564, 3501026158, 5251539237, 7002052316, 10503078474, 21006156948]

約数ペア:

[(1, 21006156948), (2, 10503078474), (3, 7002052316), (4, 5251539237), (6, 3501026158), (7, 3000879564), (12, 1750513079), (14, 1500439782), (21, 1000293188), (28, 750219891), (42, 500146594), (84, 250073297), (307, 68423964), (359, 58512972), (614, 34211982), (718, 29256486), (921, 22807988), (1077, 19504324), (1228, 17105991), (1436, 14628243), (1842, 11403994), (2149, 9774852), (2154, 9752162), (2269, 9257892), (2513, 8358996), (3684, 5701997), (4298, 4887426), (4308, 4876081), (4538, 4628946), (5026, 4179498), (6447, 3258284), (6807, 3085964), (7539, 2786332), (8596, 2443713), (9076, 2314473), (10052, 2089749), (12894, 1629142), (13614, 1542982), (15078, 1393166), (15883, 1322556), (25788, 814571), (27228, 771491), (30156, 696583), (31766, 661278), (47649, 440852), (63532, 330639), (95298, 220426), (110213, 190596)]