21507445260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17069401}}^1$

素因数の和:17069423

約数の個数: 72

約数和(自身を含む): 74559147936

約数和(自身を除く): 53051702676

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, 17069401, 34138802, 51208203, 68277604, 85347005, 102416406, 119485807, 153624609, 170694010, 204832812, 238971614, 256041015, 307249218, 341388020, 358457421, 477943228, 512082030, 597429035, 614498436, 716914842, 768123045, 1024164060, 1075372263, 1194858070, 1433829684, 1536246090, 1792287105, 2150744526, 2389716140, 3072492180, 3584574210, 4301489052, 5376861315, 7169148420, 10753722630, 21507445260]

約数ペア:

[(1, 21507445260), (2, 10753722630), (3, 7169148420), (4, 5376861315), (5, 4301489052), (6, 3584574210), (7, 3072492180), (9, 2389716140), (10, 2150744526), (12, 1792287105), (14, 1536246090), (15, 1433829684), (18, 1194858070), (20, 1075372263), (21, 1024164060), (28, 768123045), (30, 716914842), (35, 614498436), (36, 597429035), (42, 512082030), (45, 477943228), (60, 358457421), (63, 341388020), (70, 307249218), (84, 256041015), (90, 238971614), (105, 204832812), (126, 170694010), (140, 153624609), (180, 119485807), (210, 102416406), (252, 85347005), (315, 68277604), (420, 51208203), (630, 34138802), (1260, 17069401)]