21071760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4621}}^1$

素因数の和:4656

約数の個数: 80

約数和(自身を含む): 68775360

約数和(自身を除く): 47703600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4621, 9242, 13863, 18484, 23105, 27726, 36968, 46210, 55452, 69315, 73936, 87799, 92420, 110904, 138630, 175598, 184840, 221808, 263397, 277260, 351196, 369680, 438995, 526794, 554520, 702392, 877990, 1053588, 1109040, 1316985, 1404784, 1755980, 2107176, 2633970, 3511960, 4214352, 5267940, 7023920, 10535880, 21071760]

約数ペア:

[(1, 21071760), (2, 10535880), (3, 7023920), (4, 5267940), (5, 4214352), (6, 3511960), (8, 2633970), (10, 2107176), (12, 1755980), (15, 1404784), (16, 1316985), (19, 1109040), (20, 1053588), (24, 877990), (30, 702392), (38, 554520), (40, 526794), (48, 438995), (57, 369680), (60, 351196), (76, 277260), (80, 263397), (95, 221808), (114, 184840), (120, 175598), (152, 138630), (190, 110904), (228, 92420), (240, 87799), (285, 73936), (304, 69315), (380, 55452), (456, 46210), (570, 36968), (760, 27726), (912, 23105), (1140, 18484), (1520, 13863), (2280, 9242), (4560, 4621)]