21422472904

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{12757}}^1$

素因数の和:13118

約数の個数: 64

約数和(自身を含む): 46443202560

約数和(自身を除く): 25020729656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 191, 314, 382, 628, 764, 1099, 1256, 1337, 1528, 2198, 2674, 4396, 5348, 8792, 10696, 12757, 25514, 29987, 51028, 59974, 89299, 102056, 119948, 178598, 209909, 239896, 357196, 419818, 714392, 839636, 1679272, 2002849, 2436587, 4005698, 4873174, 8011396, 9746348, 14019943, 16022792, 17056109, 19492696, 28039886, 34112218, 56079772, 68224436, 112159544, 136448872, 382544159, 765088318, 1530176636, 2677809113, 3060353272, 5355618226, 10711236452, 21422472904]

約数ペア:

[(1, 21422472904), (2, 10711236452), (4, 5355618226), (7, 3060353272), (8, 2677809113), (14, 1530176636), (28, 765088318), (56, 382544159), (157, 136448872), (191, 112159544), (314, 68224436), (382, 56079772), (628, 34112218), (764, 28039886), (1099, 19492696), (1256, 17056109), (1337, 16022792), (1528, 14019943), (2198, 9746348), (2674, 8011396), (4396, 4873174), (5348, 4005698), (8792, 2436587), (10696, 2002849), (12757, 1679272), (25514, 839636), (29987, 714392), (51028, 419818), (59974, 357196), (89299, 239896), (102056, 209909), (119948, 178598)]