21236475420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{29473}}^1$

素因数の和:33491

約数の個数: 72

約数和(自身を含む): 64435587216

約数和(自身を除く): 43199111796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4003, 8006, 12009, 16012, 20015, 24018, 29473, 36027, 40030, 48036, 58946, 60045, 72054, 80060, 88419, 117892, 120090, 144108, 147365, 176838, 180135, 240180, 265257, 294730, 353676, 360270, 442095, 530514, 589460, 720540, 884190, 1061028, 1326285, 1768380, 2652570, 5305140, 117980419, 235960838, 353941257, 471921676, 589902095, 707882514, 1061823771, 1179804190, 1415765028, 1769706285, 2123647542, 2359608380, 3539412570, 4247295084, 5309118855, 7078825140, 10618237710, 21236475420]

約数ペア:

[(1, 21236475420), (2, 10618237710), (3, 7078825140), (4, 5309118855), (5, 4247295084), (6, 3539412570), (9, 2359608380), (10, 2123647542), (12, 1769706285), (15, 1415765028), (18, 1179804190), (20, 1061823771), (30, 707882514), (36, 589902095), (45, 471921676), (60, 353941257), (90, 235960838), (180, 117980419), (4003, 5305140), (8006, 2652570), (12009, 1768380), (16012, 1326285), (20015, 1061028), (24018, 884190), (29473, 720540), (36027, 589460), (40030, 530514), (48036, 442095), (58946, 360270), (60045, 353676), (72054, 294730), (80060, 265257), (88419, 240180), (117892, 180135), (120090, 176838), (144108, 147365)]