21152803966

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1\times {\mathrm{9161}}^1$

素因数の和:10560

約数の個数: 32

約数和(自身を含む): 36571772160

約数和(自身を除く): 15418968194

約数列:

[1, 2, 7, 14, 131, 262, 917, 1259, 1834, 2518, 8813, 9161, 17626, 18322, 64127, 128254, 164929, 329858, 1154503, 1200091, 2309006, 2400182, 8400637, 11533699, 16801274, 23067398, 80735893, 161471786, 1510914569, 3021829138, 10576401983, 21152803966]

約数ペア:

[(1, 21152803966), (2, 10576401983), (7, 3021829138), (14, 1510914569), (131, 161471786), (262, 80735893), (917, 23067398), (1259, 16801274), (1834, 11533699), (2518, 8400637), (8813, 2400182), (9161, 2309006), (17626, 1200091), (18322, 1154503), (64127, 329858), (128254, 164929)]