20211050210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{8171}}^1$

素因数の和:8603

約数の個数: 64

約数和(自身を含む): 40033647360

約数和(自身を除く): 19822597150

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 359, 530, 689, 718, 1378, 1795, 3445, 3590, 4667, 6890, 8171, 9334, 16342, 19027, 23335, 38054, 40855, 46670, 81710, 95135, 106223, 190270, 212446, 247351, 433063, 494702, 531115, 866126, 1062230, 1236755, 2165315, 2473510, 2933389, 4330630, 5629819, 5866778, 11259638, 14666945, 28149095, 29333890, 38134057, 56298190, 76268114, 155469617, 190670285, 310939234, 381340570, 777348085, 1554696170, 2021105021, 4042210042, 10105525105, 20211050210]

約数ペア:

[(1, 20211050210), (2, 10105525105), (5, 4042210042), (10, 2021105021), (13, 1554696170), (26, 777348085), (53, 381340570), (65, 310939234), (106, 190670285), (130, 155469617), (265, 76268114), (359, 56298190), (530, 38134057), (689, 29333890), (718, 28149095), (1378, 14666945), (1795, 11259638), (3445, 5866778), (3590, 5629819), (4667, 4330630), (6890, 2933389), (8171, 2473510), (9334, 2165315), (16342, 1236755), (19027, 1062230), (23335, 866126), (38054, 531115), (40855, 494702), (46670, 433063), (81710, 247351), (95135, 212446), (106223, 190270)]