21316624

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6563}}^1$

素因数の和:6607

約数の個数: 40

約数和(自身を含む): 48836160

約数和(自身を除く): 27519536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6563, 13126, 26252, 45941, 52504, 91882, 105008, 183764, 190327, 367528, 380654, 735056, 761308, 1332289, 1522616, 2664578, 3045232, 5329156, 10658312, 21316624]

約数ペア:

[(1, 21316624), (2, 10658312), (4, 5329156), (7, 3045232), (8, 2664578), (14, 1522616), (16, 1332289), (28, 761308), (29, 735056), (56, 380654), (58, 367528), (112, 190327), (116, 183764), (203, 105008), (232, 91882), (406, 52504), (464, 45941), (812, 26252), (1624, 13126), (3248, 6563)]