21148251327

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{23911}}^1$

素因数の和:24164

約数の個数: 48

約数和(自身を含む): 35512189440

約数和(自身を除く): 14363938113

約数列:

[1, 3, 7, 9, 21, 63, 101, 139, 303, 417, 707, 909, 973, 1251, 2121, 2919, 6363, 8757, 14039, 23911, 42117, 71733, 98273, 126351, 167377, 215199, 294819, 502131, 884457, 1506393, 2415011, 3323629, 7245033, 9970887, 16905077, 21735099, 23265403, 29912661, 50715231, 69796209, 152145693, 209388627, 335686529, 1007059587, 2349805703, 3021178761, 7049417109, 21148251327]

約数ペア:

[(1, 21148251327), (3, 7049417109), (7, 3021178761), (9, 2349805703), (21, 1007059587), (63, 335686529), (101, 209388627), (139, 152145693), (303, 69796209), (417, 50715231), (707, 29912661), (909, 23265403), (973, 21735099), (1251, 16905077), (2121, 9970887), (2919, 7245033), (6363, 3323629), (8757, 2415011), (14039, 1506393), (23911, 884457), (42117, 502131), (71733, 294819), (98273, 215199), (126351, 167377)]