21639264

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4253}}^1$

素因数の和:4319

約数の個数: 48

約数和(自身を含む): 57888432

約数和(自身を除く): 36249168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4253, 5088, 8506, 12759, 17012, 25518, 34024, 51036, 68048, 102072, 136096, 204144, 225409, 408288, 450818, 676227, 901636, 1352454, 1803272, 2704908, 3606544, 5409816, 7213088, 10819632, 21639264]

約数ペア:

[(1, 21639264), (2, 10819632), (3, 7213088), (4, 5409816), (6, 3606544), (8, 2704908), (12, 1803272), (16, 1352454), (24, 901636), (32, 676227), (48, 450818), (53, 408288), (96, 225409), (106, 204144), (159, 136096), (212, 102072), (318, 68048), (424, 51036), (636, 34024), (848, 25518), (1272, 17012), (1696, 12759), (2544, 8506), (4253, 5088)]