21816090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 57028608

約数和(自身を除く): 35212518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1087, 1115, 1338, 2007, 2174, 2230, 3261, 3345, 4014, 5435, 6522, 6690, 9783, 10035, 10870, 16305, 19566, 20070, 32610, 48915, 97830, 242401, 484802, 727203, 1212005, 1454406, 2181609, 2424010, 3636015, 4363218, 7272030, 10908045, 21816090]

約数ペア:

[(1, 21816090), (2, 10908045), (3, 7272030), (5, 4363218), (6, 3636015), (9, 2424010), (10, 2181609), (15, 1454406), (18, 1212005), (30, 727203), (45, 484802), (90, 242401), (223, 97830), (446, 48915), (669, 32610), (1087, 20070), (1115, 19566), (1338, 16305), (2007, 10870), (2174, 10035), (2230, 9783), (3261, 6690), (3345, 6522), (4014, 5435)]