21416164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 48254976

約数和(自身を除く): 26838812

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2243, 2387, 4486, 4774, 8972, 9548, 15701, 24673, 31402, 49346, 62804, 69533, 98692, 139066, 172711, 278132, 345422, 486731, 690844, 764863, 973462, 1529726, 1946924, 3059452, 5354041, 10708082, 21416164]

約数ペア:

[(1, 21416164), (2, 10708082), (4, 5354041), (7, 3059452), (11, 1946924), (14, 1529726), (22, 973462), (28, 764863), (31, 690844), (44, 486731), (62, 345422), (77, 278132), (124, 172711), (154, 139066), (217, 98692), (308, 69533), (341, 62804), (434, 49346), (682, 31402), (868, 24673), (1364, 15701), (2243, 9548), (2387, 8972), (4486, 4774)]