21585430

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 40235616

約数和(自身を除く): 18650186

約数列:

[1, 2, 5, 10, 37, 74, 185, 227, 257, 370, 454, 514, 1135, 1285, 2270, 2570, 8399, 9509, 16798, 19018, 41995, 47545, 58339, 83990, 95090, 116678, 291695, 583390, 2158543, 4317086, 10792715, 21585430]

約数ペア:

[(1, 21585430), (2, 10792715), (5, 4317086), (10, 2158543), (37, 583390), (74, 291695), (185, 116678), (227, 95090), (257, 83990), (370, 58339), (454, 47545), (514, 41995), (1135, 19018), (1285, 16798), (2270, 9509), (2570, 8399)]