21175992

素因数分解:

$2^3\times 3^6\times {\mathrm{3631}}^1$

素因数の和:3655

約数の個数: 56

約数和(自身を含む): 59546640

約数和(自身を除く): 38370648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3631, 5832, 7262, 10893, 14524, 21786, 29048, 32679, 43572, 65358, 87144, 98037, 130716, 196074, 261432, 294111, 392148, 588222, 784296, 882333, 1176444, 1764666, 2352888, 2646999, 3529332, 5293998, 7058664, 10587996, 21175992]

約数ペア:

[(1, 21175992), (2, 10587996), (3, 7058664), (4, 5293998), (6, 3529332), (8, 2646999), (9, 2352888), (12, 1764666), (18, 1176444), (24, 882333), (27, 784296), (36, 588222), (54, 392148), (72, 294111), (81, 261432), (108, 196074), (162, 130716), (216, 98037), (243, 87144), (324, 65358), (486, 43572), (648, 32679), (729, 29048), (972, 21786), (1458, 14524), (1944, 10893), (2916, 7262), (3631, 5832)]