21083160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 128

約数和(自身を含む): 76147200

約数和(自身を除く): 55064040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1321, 1330, 1596, 1995, 2280, 2642, 2660, 3192, 3963, 3990, 5284, 5320, 6605, 7926, 7980, 9247, 10568, 13210, 15852, 15960, 18494, 19815, 25099, 26420, 27741, 31704, 36988, 39630, 46235, 50198, 52840, 55482, 73976, 75297, 79260, 92470, 100396, 110964, 125495, 138705, 150594, 158520, 175693, 184940, 200792, 221928, 250990, 277410, 301188, 351386, 369880, 376485, 501980, 527079, 554820, 602376, 702772, 752970, 878465, 1003960, 1054158, 1109640, 1405544, 1505940, 1756930, 2108316, 2635395, 3011880, 3513860, 4216632, 5270790, 7027720, 10541580, 21083160]

約数ペア:

[(1, 21083160), (2, 10541580), (3, 7027720), (4, 5270790), (5, 4216632), (6, 3513860), (7, 3011880), (8, 2635395), (10, 2108316), (12, 1756930), (14, 1505940), (15, 1405544), (19, 1109640), (20, 1054158), (21, 1003960), (24, 878465), (28, 752970), (30, 702772), (35, 602376), (38, 554820), (40, 527079), (42, 501980), (56, 376485), (57, 369880), (60, 351386), (70, 301188), (76, 277410), (84, 250990), (95, 221928), (105, 200792), (114, 184940), (120, 175693), (133, 158520), (140, 150594), (152, 138705), (168, 125495), (190, 110964), (210, 100396), (228, 92470), (266, 79260), (280, 75297), (285, 73976), (380, 55482), (399, 52840), (420, 50198), (456, 46235), (532, 39630), (570, 36988), (665, 31704), (760, 27741), (798, 26420), (840, 25099), (1064, 19815), (1140, 18494), (1321, 15960), (1330, 15852), (1596, 13210), (1995, 10568), (2280, 9247), (2642, 7980), (2660, 7926), (3192, 6605), (3963, 5320), (3990, 5284)]