21032172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11923}}^1$

素因数の和:11947

約数の個数: 54

約数和(自身を含む): 61849788

約数和(自身を除く): 40817616

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11923, 23846, 35769, 47692, 71538, 83461, 107307, 143076, 166922, 214614, 250383, 333844, 429228, 500766, 584227, 751149, 1001532, 1168454, 1502298, 1752681, 2336908, 3004596, 3505362, 5258043, 7010724, 10516086, 21032172]

約数ペア:

[(1, 21032172), (2, 10516086), (3, 7010724), (4, 5258043), (6, 3505362), (7, 3004596), (9, 2336908), (12, 1752681), (14, 1502298), (18, 1168454), (21, 1001532), (28, 751149), (36, 584227), (42, 500766), (49, 429228), (63, 333844), (84, 250383), (98, 214614), (126, 166922), (147, 143076), (196, 107307), (252, 83461), (294, 71538), (441, 47692), (588, 35769), (882, 23846), (1764, 11923)]