21512688

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{12113}}^1$

素因数の和:12161

約数の個数: 40

約数和(自身を含む): 57081168

約数和(自身を除く): 35568480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 12113, 24226, 36339, 48452, 72678, 96904, 145356, 193808, 290712, 448181, 581424, 896362, 1344543, 1792724, 2689086, 3585448, 5378172, 7170896, 10756344, 21512688]

約数ペア:

[(1, 21512688), (2, 10756344), (3, 7170896), (4, 5378172), (6, 3585448), (8, 2689086), (12, 1792724), (16, 1344543), (24, 896362), (37, 581424), (48, 448181), (74, 290712), (111, 193808), (148, 145356), (222, 96904), (296, 72678), (444, 48452), (592, 36339), (888, 24226), (1776, 12113)]