21380271189

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3362

約数の個数: 64

約数和(自身を含む): 31917957120

約数和(自身を除く): 10537685931

約数列:

[1, 3, 19, 41, 47, 57, 61, 123, 141, 183, 779, 893, 1159, 1927, 2337, 2501, 2679, 2867, 3191, 3477, 5781, 7503, 8601, 9573, 36613, 47519, 54473, 60629, 109839, 117547, 130831, 142557, 149977, 163419, 181887, 194651, 352641, 392493, 449931, 583953, 2233393, 2485789, 2849563, 3698369, 6149057, 6700179, 7457367, 7980691, 8548689, 9148597, 11095107, 18447171, 23942073, 27445791, 116832083, 151633129, 173823343, 350496249, 375092477, 454899387, 521470029, 1125277431, 7126757063, 21380271189]

約数ペア:

[(1, 21380271189), (3, 7126757063), (19, 1125277431), (41, 521470029), (47, 454899387), (57, 375092477), (61, 350496249), (123, 173823343), (141, 151633129), (183, 116832083), (779, 27445791), (893, 23942073), (1159, 18447171), (1927, 11095107), (2337, 9148597), (2501, 8548689), (2679, 7980691), (2867, 7457367), (3191, 6700179), (3477, 6149057), (5781, 3698369), (7503, 2849563), (8601, 2485789), (9573, 2233393), (36613, 583953), (47519, 449931), (54473, 392493), (60629, 352641), (109839, 194651), (117547, 181887), (130831, 163419), (142557, 149977)]