21773950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 46012680

約数和(自身を除く): 24238730

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 61, 110, 118, 121, 122, 242, 275, 295, 305, 550, 590, 605, 610, 649, 671, 1210, 1298, 1342, 1475, 1525, 2950, 3025, 3050, 3245, 3355, 3599, 6050, 6490, 6710, 7139, 7198, 7381, 14278, 14762, 16225, 16775, 17995, 32450, 33550, 35695, 35990, 36905, 39589, 71390, 73810, 79178, 89975, 178475, 179950, 184525, 197945, 356950, 369050, 395890, 435479, 870958, 989725, 1979450, 2177395, 4354790, 10886975, 21773950]

約数ペア:

[(1, 21773950), (2, 10886975), (5, 4354790), (10, 2177395), (11, 1979450), (22, 989725), (25, 870958), (50, 435479), (55, 395890), (59, 369050), (61, 356950), (110, 197945), (118, 184525), (121, 179950), (122, 178475), (242, 89975), (275, 79178), (295, 73810), (305, 71390), (550, 39589), (590, 36905), (605, 35990), (610, 35695), (649, 33550), (671, 32450), (1210, 17995), (1298, 16775), (1342, 16225), (1475, 14762), (1525, 14278), (2950, 7381), (3025, 7198), (3050, 7139), (3245, 6710), (3355, 6490), (3599, 6050)]