210906108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{17807}}^1$

素因数の和:17871

約数の個数: 72

約数和(自身を含む): 622282752

約数和(自身を除く): 411376644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 17807, 35614, 53421, 71228, 106842, 124649, 160263, 213684, 249298, 320526, 373947, 498596, 641052, 747894, 836929, 1121841, 1495788, 1673858, 2243682, 2510787, 3347716, 4487364, 5021574, 5858503, 7532361, 10043148, 11717006, 15064722, 17575509, 23434012, 30129444, 35151018, 52726527, 70302036, 105453054, 210906108]

約数ペア:

[(1, 210906108), (2, 105453054), (3, 70302036), (4, 52726527), (6, 35151018), (7, 30129444), (9, 23434012), (12, 17575509), (14, 15064722), (18, 11717006), (21, 10043148), (28, 7532361), (36, 5858503), (42, 5021574), (47, 4487364), (63, 3347716), (84, 2510787), (94, 2243682), (126, 1673858), (141, 1495788), (188, 1121841), (252, 836929), (282, 747894), (329, 641052), (423, 498596), (564, 373947), (658, 320526), (846, 249298), (987, 213684), (1316, 160263), (1692, 124649), (1974, 106842), (2961, 71228), (3948, 53421), (5922, 35614), (11844, 17807)]