21363418412

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{165829}}^1$

素因数の和:165990

約数の個数: 48

約数和(自身を含む): 44129352960

約数和(自身を除く): 22765934548

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 107, 172, 214, 301, 428, 602, 749, 1204, 1498, 2996, 4601, 9202, 18404, 32207, 64414, 128828, 165829, 331658, 663316, 1160803, 2321606, 4643212, 7130647, 14261294, 17743703, 28522588, 35487406, 49914529, 70974812, 99829058, 124205921, 199658116, 248411842, 496823684, 762979229, 1525958458, 3051916916, 5340854603, 10681709206, 21363418412]

約数ペア:

[(1, 21363418412), (2, 10681709206), (4, 5340854603), (7, 3051916916), (14, 1525958458), (28, 762979229), (43, 496823684), (86, 248411842), (107, 199658116), (172, 124205921), (214, 99829058), (301, 70974812), (428, 49914529), (602, 35487406), (749, 28522588), (1204, 17743703), (1498, 14261294), (2996, 7130647), (4601, 4643212), (9202, 2321606), (18404, 1160803), (32207, 663316), (64414, 331658), (128828, 165829)]