21776524

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4198

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 28542836

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 4159, 5236, 8318, 16636, 29113, 45749, 58226, 70703, 91498, 116452, 141406, 182996, 282812, 320243, 494921, 640486, 777733, 989842, 1280972, 1555466, 1979684, 3110932, 5444131, 10888262, 21776524]

約数ペア:

[(1, 21776524), (2, 10888262), (4, 5444131), (7, 3110932), (11, 1979684), (14, 1555466), (17, 1280972), (22, 989842), (28, 777733), (34, 640486), (44, 494921), (68, 320243), (77, 282812), (119, 182996), (154, 141406), (187, 116452), (238, 91498), (308, 70703), (374, 58226), (476, 45749), (748, 29113), (1309, 16636), (2618, 8318), (4159, 5236)]