21487144

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 26983256

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 101, 116, 131, 202, 203, 232, 262, 404, 406, 524, 707, 808, 812, 917, 1048, 1414, 1624, 1834, 2828, 2929, 3668, 3799, 5656, 5858, 7336, 7598, 11716, 13231, 15196, 20503, 23432, 26462, 26593, 30392, 41006, 52924, 53186, 82012, 92617, 105848, 106372, 164024, 185234, 212744, 370468, 383699, 740936, 767398, 1534796, 2685893, 3069592, 5371786, 10743572, 21487144]

約数ペア:

[(1, 21487144), (2, 10743572), (4, 5371786), (7, 3069592), (8, 2685893), (14, 1534796), (28, 767398), (29, 740936), (56, 383699), (58, 370468), (101, 212744), (116, 185234), (131, 164024), (202, 106372), (203, 105848), (232, 92617), (262, 82012), (404, 53186), (406, 52924), (524, 41006), (707, 30392), (808, 26593), (812, 26462), (917, 23432), (1048, 20503), (1414, 15196), (1624, 13231), (1834, 11716), (2828, 7598), (2929, 7336), (3668, 5858), (3799, 5656)]