2100420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 7285824

約数和(自身を除く): 5185404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1667, 3334, 5001, 6668, 8335, 10002, 11669, 15003, 16670, 20004, 23338, 25005, 30006, 33340, 35007, 46676, 50010, 58345, 60012, 70014, 75015, 100020, 105021, 116690, 140028, 150030, 175035, 210042, 233380, 300060, 350070, 420084, 525105, 700140, 1050210, 2100420]

約数ペア:

[(1, 2100420), (2, 1050210), (3, 700140), (4, 525105), (5, 420084), (6, 350070), (7, 300060), (9, 233380), (10, 210042), (12, 175035), (14, 150030), (15, 140028), (18, 116690), (20, 105021), (21, 100020), (28, 75015), (30, 70014), (35, 60012), (36, 58345), (42, 50010), (45, 46676), (60, 35007), (63, 33340), (70, 30006), (84, 25005), (90, 23338), (105, 20004), (126, 16670), (140, 15003), (180, 11669), (210, 10002), (252, 8335), (315, 6668), (420, 5001), (630, 3334), (1260, 1667)]