21020348874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1\times {\mathrm{2851}}^1$

素因数の和:3715

約数の個数: 64

約数和(自身を含む): 48296908800

約数和(自身を除く): 27276559926

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 503, 698, 1006, 1047, 1509, 2094, 2443, 2851, 3018, 3521, 4886, 5702, 7042, 7329, 8553, 10563, 14658, 17106, 19957, 21126, 39914, 59871, 119742, 175547, 351094, 526641, 994999, 1053282, 1228829, 1434053, 1989998, 2457658, 2868106, 2984997, 3686487, 4302159, 5969994, 6964993, 7372974, 8604318, 10038371, 13929986, 20076742, 20894979, 30115113, 41789958, 60230226, 500484497, 1000968994, 1501453491, 3002906982, 3503391479, 7006782958, 10510174437, 21020348874]

約数ペア:

[(1, 21020348874), (2, 10510174437), (3, 7006782958), (6, 3503391479), (7, 3002906982), (14, 1501453491), (21, 1000968994), (42, 500484497), (349, 60230226), (503, 41789958), (698, 30115113), (1006, 20894979), (1047, 20076742), (1509, 13929986), (2094, 10038371), (2443, 8604318), (2851, 7372974), (3018, 6964993), (3521, 5969994), (4886, 4302159), (5702, 3686487), (7042, 2984997), (7329, 2868106), (8553, 2457658), (10563, 1989998), (14658, 1434053), (17106, 1228829), (19957, 1053282), (21126, 994999), (39914, 526641), (59871, 351094), (119742, 175547)]