21383348

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24339532

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 167, 238, 269, 334, 476, 538, 668, 1076, 1169, 1883, 2338, 2839, 3766, 4573, 4676, 5678, 7532, 9146, 11356, 18292, 19873, 32011, 39746, 44923, 64022, 79492, 89846, 128044, 179692, 314461, 628922, 763691, 1257844, 1527382, 3054764, 5345837, 10691674, 21383348]

約数ペア:

[(1, 21383348), (2, 10691674), (4, 5345837), (7, 3054764), (14, 1527382), (17, 1257844), (28, 763691), (34, 628922), (68, 314461), (119, 179692), (167, 128044), (238, 89846), (269, 79492), (334, 64022), (476, 44923), (538, 39746), (668, 32011), (1076, 19873), (1169, 18292), (1883, 11356), (2338, 9146), (2839, 7532), (3766, 5678), (4573, 4676)]