21644192

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 23796448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 367, 388, 608, 734, 776, 1468, 1552, 1843, 2936, 3104, 3686, 5872, 6973, 7372, 11744, 13946, 14744, 27892, 29488, 35599, 55784, 58976, 71198, 111568, 142396, 223136, 284792, 569584, 676381, 1139168, 1352762, 2705524, 5411048, 10822096, 21644192]

約数ペア:

[(1, 21644192), (2, 10822096), (4, 5411048), (8, 2705524), (16, 1352762), (19, 1139168), (32, 676381), (38, 569584), (76, 284792), (97, 223136), (152, 142396), (194, 111568), (304, 71198), (367, 58976), (388, 55784), (608, 35599), (734, 29488), (776, 27892), (1468, 14744), (1552, 13946), (1843, 11744), (2936, 7372), (3104, 6973), (3686, 5872)]