21783424

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 50398200

約数和(自身を除く): 28614776

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 53, 64, 76, 104, 106, 128, 152, 169, 208, 212, 247, 304, 338, 416, 424, 494, 608, 676, 689, 832, 848, 988, 1007, 1216, 1352, 1378, 1664, 1696, 1976, 2014, 2432, 2704, 2756, 3211, 3392, 3952, 4028, 5408, 5512, 6422, 6784, 7904, 8056, 8957, 10816, 11024, 12844, 13091, 15808, 16112, 17914, 21632, 22048, 25688, 26182, 31616, 32224, 35828, 44096, 51376, 52364, 64448, 71656, 88192, 102752, 104728, 128896, 143312, 170183, 205504, 209456, 286624, 340366, 411008, 418912, 573248, 680732, 837824, 1146496, 1361464, 1675648, 2722928, 5445856, 10891712, 21783424]

約数ペア:

[(1, 21783424), (2, 10891712), (4, 5445856), (8, 2722928), (13, 1675648), (16, 1361464), (19, 1146496), (26, 837824), (32, 680732), (38, 573248), (52, 418912), (53, 411008), (64, 340366), (76, 286624), (104, 209456), (106, 205504), (128, 170183), (152, 143312), (169, 128896), (208, 104728), (212, 102752), (247, 88192), (304, 71656), (338, 64448), (416, 52364), (424, 51376), (494, 44096), (608, 35828), (676, 32224), (689, 31616), (832, 26182), (848, 25688), (988, 22048), (1007, 21632), (1216, 17914), (1352, 16112), (1378, 15808), (1664, 13091), (1696, 12844), (1976, 11024), (2014, 10816), (2432, 8957), (2704, 8056), (2756, 7904), (3211, 6784), (3392, 6422), (3952, 5512), (4028, 5408)]