21198702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6389}}^1$

素因数の和:6480

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 27876498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6389, 12778, 19167, 38334, 44723, 89446, 134169, 268338, 504731, 1009462, 1514193, 3028386, 3533117, 7066234, 10599351, 21198702]

約数ペア:

[(1, 21198702), (2, 10599351), (3, 7066234), (6, 3533117), (7, 3028386), (14, 1514193), (21, 1009462), (42, 504731), (79, 268338), (158, 134169), (237, 89446), (474, 44723), (553, 38334), (1106, 19167), (1659, 12778), (3318, 6389)]