21196188

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 96

約数和(自身を含む): 61214720

約数和(自身を除く): 40018532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 186, 234, 279, 351, 372, 403, 468, 487, 558, 702, 806, 837, 974, 1116, 1209, 1404, 1461, 1612, 1674, 1948, 2418, 2922, 3348, 3627, 4383, 4836, 5844, 6331, 7254, 8766, 10881, 12662, 13149, 14508, 15097, 17532, 18993, 21762, 25324, 26298, 30194, 37986, 43524, 45291, 52596, 56979, 60388, 75972, 90582, 113958, 135873, 170937, 181164, 196261, 227916, 271746, 341874, 392522, 407619, 543492, 588783, 683748, 785044, 815238, 1177566, 1630476, 1766349, 2355132, 3532698, 5299047, 7065396, 10598094, 21196188]

約数ペア:

[(1, 21196188), (2, 10598094), (3, 7065396), (4, 5299047), (6, 3532698), (9, 2355132), (12, 1766349), (13, 1630476), (18, 1177566), (26, 815238), (27, 785044), (31, 683748), (36, 588783), (39, 543492), (52, 407619), (54, 392522), (62, 341874), (78, 271746), (93, 227916), (108, 196261), (117, 181164), (124, 170937), (156, 135873), (186, 113958), (234, 90582), (279, 75972), (351, 60388), (372, 56979), (403, 52596), (468, 45291), (487, 43524), (558, 37986), (702, 30194), (806, 26298), (837, 25324), (974, 21762), (1116, 18993), (1209, 17532), (1404, 15097), (1461, 14508), (1612, 13149), (1674, 12662), (1948, 10881), (2418, 8766), (2922, 7254), (3348, 6331), (3627, 5844), (4383, 4836)]