2169972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 6406400

約数和(自身を除く): 4236428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 109, 126, 158, 218, 237, 252, 316, 327, 436, 474, 553, 654, 711, 763, 948, 981, 1106, 1308, 1422, 1526, 1659, 1962, 2212, 2289, 2844, 3052, 3318, 3924, 4578, 4977, 6636, 6867, 8611, 9156, 9954, 13734, 17222, 19908, 25833, 27468, 34444, 51666, 60277, 77499, 103332, 120554, 154998, 180831, 241108, 309996, 361662, 542493, 723324, 1084986, 2169972]

約数ペア:

[(1, 2169972), (2, 1084986), (3, 723324), (4, 542493), (6, 361662), (7, 309996), (9, 241108), (12, 180831), (14, 154998), (18, 120554), (21, 103332), (28, 77499), (36, 60277), (42, 51666), (63, 34444), (79, 27468), (84, 25833), (109, 19908), (126, 17222), (158, 13734), (218, 9954), (237, 9156), (252, 8611), (316, 6867), (327, 6636), (436, 4977), (474, 4578), (553, 3924), (654, 3318), (711, 3052), (763, 2844), (948, 2289), (981, 2212), (1106, 1962), (1308, 1659), (1422, 1526)]