21729105972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1413551}}^1$

素因数の和:1413629

約数の個数: 72

約数和(自身を含む): 63802083072

約数和(自身を除く): 42072977100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372, 1413551, 2827102, 4240653, 5654204, 8481306, 9894857, 12721959, 16962612, 19789714, 25443918, 29684571, 39579428, 50887836, 59369142, 86226611, 89053713, 118738284, 172453222, 178107426, 258679833, 344906444, 356214852, 517359666, 603586277, 776039499, 1034719332, 1207172554, 1552078998, 1810758831, 2414345108, 3104157996, 3621517662, 5432276493, 7243035324, 10864552986, 21729105972]

約数ペア:

[(1, 21729105972), (2, 10864552986), (3, 7243035324), (4, 5432276493), (6, 3621517662), (7, 3104157996), (9, 2414345108), (12, 1810758831), (14, 1552078998), (18, 1207172554), (21, 1034719332), (28, 776039499), (36, 603586277), (42, 517359666), (61, 356214852), (63, 344906444), (84, 258679833), (122, 178107426), (126, 172453222), (183, 118738284), (244, 89053713), (252, 86226611), (366, 59369142), (427, 50887836), (549, 39579428), (732, 29684571), (854, 25443918), (1098, 19789714), (1281, 16962612), (1708, 12721959), (2196, 9894857), (2562, 8481306), (3843, 5654204), (5124, 4240653), (7686, 2827102), (15372, 1413551)]