21088060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 53932032

約数和(自身を除く): 32843972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 113, 124, 140, 155, 172, 215, 217, 226, 301, 310, 430, 434, 452, 565, 602, 620, 791, 860, 868, 1085, 1130, 1204, 1333, 1505, 1582, 2170, 2260, 2666, 3010, 3164, 3503, 3955, 4340, 4859, 5332, 6020, 6665, 7006, 7910, 9331, 9718, 13330, 14012, 15820, 17515, 18662, 19436, 24295, 24521, 26660, 34013, 35030, 37324, 46655, 48590, 49042, 68026, 70060, 93310, 97180, 98084, 122605, 136052, 150629, 170065, 186620, 245210, 301258, 340130, 490420, 602516, 680260, 753145, 1054403, 1506290, 2108806, 3012580, 4217612, 5272015, 10544030, 21088060]

約数ペア:

[(1, 21088060), (2, 10544030), (4, 5272015), (5, 4217612), (7, 3012580), (10, 2108806), (14, 1506290), (20, 1054403), (28, 753145), (31, 680260), (35, 602516), (43, 490420), (62, 340130), (70, 301258), (86, 245210), (113, 186620), (124, 170065), (140, 150629), (155, 136052), (172, 122605), (215, 98084), (217, 97180), (226, 93310), (301, 70060), (310, 68026), (430, 49042), (434, 48590), (452, 46655), (565, 37324), (602, 35030), (620, 34013), (791, 26660), (860, 24521), (868, 24295), (1085, 19436), (1130, 18662), (1204, 17515), (1333, 15820), (1505, 14012), (1582, 13330), (2170, 9718), (2260, 9331), (2666, 7910), (3010, 7006), (3164, 6665), (3503, 6020), (3955, 5332), (4340, 4859)]