21462050240

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1635827}}^1$

素因数の和:1635885

約数の個数: 56

約数和(自身を含む): 52353039312

約数和(自身を除く): 30890989072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 1635827, 3271654, 6543308, 8179135, 13086616, 16358270, 26173232, 32716540, 52346464, 65433080, 67068907, 104692928, 130866160, 134137814, 261732320, 268275628, 335344535, 523464640, 536551256, 670689070, 1073102512, 1341378140, 2146205024, 2682756280, 4292410048, 5365512560, 10731025120, 21462050240]

約数ペア:

[(1, 21462050240), (2, 10731025120), (4, 5365512560), (5, 4292410048), (8, 2682756280), (10, 2146205024), (16, 1341378140), (20, 1073102512), (32, 670689070), (40, 536551256), (41, 523464640), (64, 335344535), (80, 268275628), (82, 261732320), (160, 134137814), (164, 130866160), (205, 104692928), (320, 67068907), (328, 65433080), (410, 52346464), (656, 32716540), (820, 26173232), (1312, 16358270), (1640, 13086616), (2624, 8179135), (3280, 6543308), (6560, 3271654), (13120, 1635827)]