21558930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6977}}^1$

素因数の和:7090

約数の個数: 32

約数和(自身を含む): 52251264

約数和(自身を除く): 30692334

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6977, 13954, 20931, 34885, 41862, 69770, 104655, 209310, 718631, 1437262, 2155893, 3593155, 4311786, 7186310, 10779465, 21558930]

約数ペア:

[(1, 21558930), (2, 10779465), (3, 7186310), (5, 4311786), (6, 3593155), (10, 2155893), (15, 1437262), (30, 718631), (103, 209310), (206, 104655), (309, 69770), (515, 41862), (618, 34885), (1030, 20931), (1545, 13954), (3090, 6977)]