21543590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 41290560

約数和(自身を除く): 19746970

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 353, 359, 706, 718, 1765, 1795, 3530, 3590, 6001, 6103, 12002, 12206, 30005, 30515, 60010, 61030, 126727, 253454, 633635, 1267270, 2154359, 4308718, 10771795, 21543590]

約数ペア:

[(1, 21543590), (2, 10771795), (5, 4308718), (10, 2154359), (17, 1267270), (34, 633635), (85, 253454), (170, 126727), (353, 61030), (359, 60010), (706, 30515), (718, 30005), (1765, 12206), (1795, 12002), (3530, 6103), (3590, 6001)]