21311286464

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1348133}}^1$

素因数の和:1348177

約数の個数: 56

約数和(自身を含む): 47939645040

約数和(自身を除く): 26628358576

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 1348133, 2696266, 5392532, 10785064, 17525729, 21570128, 25614527, 35051458, 43140256, 51229054, 70102916, 86280512, 102458108, 140205832, 204916216, 280411664, 332988851, 409832432, 560823328, 665977702, 819664864, 1121646656, 1331955404, 1639329728, 2663910808, 5327821616, 10655643232, 21311286464]

約数ペア:

[(1, 21311286464), (2, 10655643232), (4, 5327821616), (8, 2663910808), (13, 1639329728), (16, 1331955404), (19, 1121646656), (26, 819664864), (32, 665977702), (38, 560823328), (52, 409832432), (64, 332988851), (76, 280411664), (104, 204916216), (152, 140205832), (208, 102458108), (247, 86280512), (304, 70102916), (416, 51229054), (494, 43140256), (608, 35051458), (832, 25614527), (988, 21570128), (1216, 17525729), (1976, 10785064), (3952, 5392532), (7904, 2696266), (15808, 1348133)]