21087430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23173}}^1$

素因数の和:23200

約数の個数: 32

約数和(自身を含む): 46718784

約数和(自身を除く): 25631354

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23173, 46346, 115865, 162211, 231730, 301249, 324422, 602498, 811055, 1506245, 1622110, 2108743, 3012490, 4217486, 10543715, 21087430]

約数ペア:

[(1, 21087430), (2, 10543715), (5, 4217486), (7, 3012490), (10, 2108743), (13, 1622110), (14, 1506245), (26, 811055), (35, 602498), (65, 324422), (70, 301249), (91, 231730), (130, 162211), (182, 115865), (455, 46346), (910, 23173)]