21816438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1931}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 28261002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 269, 538, 807, 1614, 1883, 1931, 3766, 3862, 5649, 5793, 11298, 11586, 13517, 27034, 40551, 81102, 519439, 1038878, 1558317, 3116634, 3636073, 7272146, 10908219, 21816438]

約数ペア:

[(1, 21816438), (2, 10908219), (3, 7272146), (6, 3636073), (7, 3116634), (14, 1558317), (21, 1038878), (42, 519439), (269, 81102), (538, 40551), (807, 27034), (1614, 13517), (1883, 11586), (1931, 11298), (3766, 5793), (3862, 5649)]