21906240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1240

約数の個数: 112

約数和(自身を含む): 73273920

約数和(自身を除く): 51367680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1201, 1216, 1520, 1824, 2280, 2402, 3040, 3603, 3648, 4560, 4804, 6005, 6080, 7206, 9120, 9608, 12010, 14412, 18015, 18240, 19216, 22819, 24020, 28824, 36030, 38432, 45638, 48040, 57648, 68457, 72060, 76864, 91276, 96080, 114095, 115296, 136914, 144120, 182552, 192160, 228190, 230592, 273828, 288240, 342285, 365104, 384320, 456380, 547656, 576480, 684570, 730208, 912760, 1095312, 1152960, 1369140, 1460416, 1825520, 2190624, 2738280, 3651040, 4381248, 5476560, 7302080, 10953120, 21906240]

約数ペア:

[(1, 21906240), (2, 10953120), (3, 7302080), (4, 5476560), (5, 4381248), (6, 3651040), (8, 2738280), (10, 2190624), (12, 1825520), (15, 1460416), (16, 1369140), (19, 1152960), (20, 1095312), (24, 912760), (30, 730208), (32, 684570), (38, 576480), (40, 547656), (48, 456380), (57, 384320), (60, 365104), (64, 342285), (76, 288240), (80, 273828), (95, 230592), (96, 228190), (114, 192160), (120, 182552), (152, 144120), (160, 136914), (190, 115296), (192, 114095), (228, 96080), (240, 91276), (285, 76864), (304, 72060), (320, 68457), (380, 57648), (456, 48040), (480, 45638), (570, 38432), (608, 36030), (760, 28824), (912, 24020), (960, 22819), (1140, 19216), (1201, 18240), (1216, 18015), (1520, 14412), (1824, 12010), (2280, 9608), (2402, 9120), (3040, 7206), (3603, 6080), (3648, 6005), (4560, 4804)]