21291363936

素因数分解:

$2^5\times 3^2\times {\mathrm{499}}^1\times {\mathrm{148153}}^1$

素因数の和:148668

約数の個数: 72

約数和(自身を含む): 60669063000

約数和(自身を除く): 39377699064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 499, 998, 1497, 1996, 2994, 3992, 4491, 5988, 7984, 8982, 11976, 15968, 17964, 23952, 35928, 47904, 71856, 143712, 148153, 296306, 444459, 592612, 888918, 1185224, 1333377, 1777836, 2370448, 2666754, 3555672, 4740896, 5333508, 7111344, 10667016, 14222688, 21334032, 42668064, 73928347, 147856694, 221785041, 295713388, 443570082, 591426776, 665355123, 887140164, 1182853552, 1330710246, 1774280328, 2365707104, 2661420492, 3548560656, 5322840984, 7097121312, 10645681968, 21291363936]

約数ペア:

[(1, 21291363936), (2, 10645681968), (3, 7097121312), (4, 5322840984), (6, 3548560656), (8, 2661420492), (9, 2365707104), (12, 1774280328), (16, 1330710246), (18, 1182853552), (24, 887140164), (32, 665355123), (36, 591426776), (48, 443570082), (72, 295713388), (96, 221785041), (144, 147856694), (288, 73928347), (499, 42668064), (998, 21334032), (1497, 14222688), (1996, 10667016), (2994, 7111344), (3992, 5333508), (4491, 4740896), (5988, 3555672), (7984, 2666754), (8982, 2370448), (11976, 1777836), (15968, 1333377), (17964, 1185224), (23952, 888918), (35928, 592612), (47904, 444459), (71856, 296306), (143712, 148153)]