221396364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2029}}^1$

素因数の和:2479

約数の個数: 72

約数和(自身を含む): 641382560

約数和(自身を除く): 419986196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 433, 866, 1299, 1732, 2029, 2598, 3031, 3897, 4058, 5196, 6062, 6087, 7794, 8116, 9093, 12124, 12174, 14203, 15588, 18186, 18261, 24348, 27279, 28406, 36372, 36522, 42609, 54558, 56812, 73044, 85218, 109116, 127827, 170436, 255654, 511308, 878557, 1757114, 2635671, 3514228, 5271342, 6149899, 7907013, 10542684, 12299798, 15814026, 18449697, 24599596, 31628052, 36899394, 55349091, 73798788, 110698182, 221396364]

約数ペア:

[(1, 221396364), (2, 110698182), (3, 73798788), (4, 55349091), (6, 36899394), (7, 31628052), (9, 24599596), (12, 18449697), (14, 15814026), (18, 12299798), (21, 10542684), (28, 7907013), (36, 6149899), (42, 5271342), (63, 3514228), (84, 2635671), (126, 1757114), (252, 878557), (433, 511308), (866, 255654), (1299, 170436), (1732, 127827), (2029, 109116), (2598, 85218), (3031, 73044), (3897, 56812), (4058, 54558), (5196, 42609), (6062, 36522), (6087, 36372), (7794, 28406), (8116, 27279), (9093, 24348), (12124, 18261), (12174, 18186), (14203, 15588)]