21180630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37159}}^1$

素因数の和:37188

約数の個数: 32

約数和(自身を含む): 53510400

約数和(自身を除く): 32329770

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 37159, 74318, 111477, 185795, 222954, 371590, 557385, 706021, 1114770, 1412042, 2118063, 3530105, 4236126, 7060210, 10590315, 21180630]

約数ペア:

[(1, 21180630), (2, 10590315), (3, 7060210), (5, 4236126), (6, 3530105), (10, 2118063), (15, 1412042), (19, 1114770), (30, 706021), (38, 557385), (57, 371590), (95, 222954), (114, 185795), (190, 111477), (285, 74318), (570, 37159)]