21586594369520

素因数分解:

$2^4\times 5^1\times {\mathrm{27691}}^1\times {\mathrm{9744409}}^1$

素因数の和:9772113

約数の個数: 40

約数和(自身を含む): 50190649519920

約数和(自身を除く): 28604055150400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27691, 55382, 110764, 138455, 221528, 276910, 443056, 553820, 1107640, 2215280, 9744409, 19488818, 38977636, 48722045, 77955272, 97444090, 155910544, 194888180, 389776360, 779552720, 269832429619, 539664859238, 1079329718476, 1349162148095, 2158659436952, 2698324296190, 4317318873904, 5396648592380, 10793297184760, 21586594369520]

約数ペア:

[(1, 21586594369520), (2, 10793297184760), (4, 5396648592380), (5, 4317318873904), (8, 2698324296190), (10, 2158659436952), (16, 1349162148095), (20, 1079329718476), (40, 539664859238), (80, 269832429619), (27691, 779552720), (55382, 389776360), (110764, 194888180), (138455, 155910544), (221528, 97444090), (276910, 77955272), (443056, 48722045), (553820, 38977636), (1107640, 19488818), (2215280, 9744409)]