21985428720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2130371}}^1$

素因数の和:2130430

約数の個数: 80

約数和(自身を含む): 69739857792

約数和(自身を除く): 47754429072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 2130371, 4260742, 6391113, 8521484, 10651855, 12782226, 17042968, 21303710, 25564452, 31955565, 34085936, 42607420, 51128904, 63911130, 85214840, 91605953, 102257808, 127822260, 170429680, 183211906, 255644520, 274817859, 366423812, 458029765, 511289040, 549635718, 732847624, 916059530, 1099271436, 1374089295, 1465695248, 1832119060, 2198542872, 2748178590, 3664238120, 4397085744, 5496357180, 7328476240, 10992714360, 21985428720]

約数ペア:

[(1, 21985428720), (2, 10992714360), (3, 7328476240), (4, 5496357180), (5, 4397085744), (6, 3664238120), (8, 2748178590), (10, 2198542872), (12, 1832119060), (15, 1465695248), (16, 1374089295), (20, 1099271436), (24, 916059530), (30, 732847624), (40, 549635718), (43, 511289040), (48, 458029765), (60, 366423812), (80, 274817859), (86, 255644520), (120, 183211906), (129, 170429680), (172, 127822260), (215, 102257808), (240, 91605953), (258, 85214840), (344, 63911130), (430, 51128904), (516, 42607420), (645, 34085936), (688, 31955565), (860, 25564452), (1032, 21303710), (1290, 17042968), (1720, 12782226), (2064, 10651855), (2580, 8521484), (3440, 6391113), (5160, 4260742), (10320, 2130371)]