221342100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{105401}}^1$

素因数の和:105425

約数の個数: 72

約数和(自身を含む): 731911488

約数和(自身を除く): 510569388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 105401, 210802, 316203, 421604, 527005, 632406, 737807, 1054010, 1264812, 1475614, 1581015, 2108020, 2213421, 2635025, 2951228, 3162030, 3689035, 4426842, 5270050, 6324060, 7378070, 7905075, 8853684, 10540100, 11067105, 14756140, 15810150, 18445175, 22134210, 31620300, 36890350, 44268420, 55335525, 73780700, 110671050, 221342100]

約数ペア:

[(1, 221342100), (2, 110671050), (3, 73780700), (4, 55335525), (5, 44268420), (6, 36890350), (7, 31620300), (10, 22134210), (12, 18445175), (14, 15810150), (15, 14756140), (20, 11067105), (21, 10540100), (25, 8853684), (28, 7905075), (30, 7378070), (35, 6324060), (42, 5270050), (50, 4426842), (60, 3689035), (70, 3162030), (75, 2951228), (84, 2635025), (100, 2213421), (105, 2108020), (140, 1581015), (150, 1475614), (175, 1264812), (210, 1054010), (300, 737807), (350, 632406), (420, 527005), (525, 421604), (700, 316203), (1050, 210802), (2100, 105401)]