21691008

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 96

約数和(自身を含む): 65769600

約数和(自身を除く): 44078592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 991, 1152, 1216, 1368, 1824, 1982, 2432, 2736, 2973, 3648, 3964, 5472, 5946, 7296, 7928, 8919, 10944, 11892, 15856, 17838, 18829, 21888, 23784, 31712, 35676, 37658, 47568, 56487, 63424, 71352, 75316, 95136, 112974, 126848, 142704, 150632, 169461, 190272, 225948, 285408, 301264, 338922, 380544, 451896, 570816, 602528, 677844, 903792, 1141632, 1205056, 1355688, 1807584, 2410112, 2711376, 3615168, 5422752, 7230336, 10845504, 21691008]

約数ペア:

[(1, 21691008), (2, 10845504), (3, 7230336), (4, 5422752), (6, 3615168), (8, 2711376), (9, 2410112), (12, 1807584), (16, 1355688), (18, 1205056), (19, 1141632), (24, 903792), (32, 677844), (36, 602528), (38, 570816), (48, 451896), (57, 380544), (64, 338922), (72, 301264), (76, 285408), (96, 225948), (114, 190272), (128, 169461), (144, 150632), (152, 142704), (171, 126848), (192, 112974), (228, 95136), (288, 75316), (304, 71352), (342, 63424), (384, 56487), (456, 47568), (576, 37658), (608, 35676), (684, 31712), (912, 23784), (991, 21888), (1152, 18829), (1216, 17838), (1368, 15856), (1824, 11892), (1982, 10944), (2432, 8919), (2736, 7928), (2973, 7296), (3648, 5946), (3964, 5472)]