21885849864

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{2909}}^1$

素因数の和:3556

約数の個数: 128

約数和(自身を含む): 61920144000

約数和(自身を除く): 40034294136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 571, 732, 1098, 1142, 1464, 1647, 1713, 2196, 2284, 2909, 3294, 3426, 4392, 4568, 5139, 5818, 6588, 6852, 8727, 10278, 11636, 13176, 13704, 15417, 17454, 20556, 23272, 26181, 30834, 34831, 34908, 41112, 52362, 61668, 69662, 69816, 78543, 104493, 104724, 123336, 139324, 157086, 177449, 208986, 209448, 278648, 313479, 314172, 354898, 417972, 532347, 626958, 628344, 709796, 835944, 940437, 1064694, 1253916, 1419592, 1597041, 1661039, 1880874, 2129388, 2507832, 3194082, 3322078, 3761748, 4258776, 4791123, 4983117, 6388164, 6644156, 7523496, 9582246, 9966234, 12776328, 13288312, 14949351, 19164492, 19932468, 29898702, 38328984, 39864936, 44848053, 59797404, 89696106, 101323379, 119594808, 179392212, 202646758, 303970137, 358784424, 405293516, 607940274, 810587032, 911910411, 1215880548, 1823820822, 2431761096, 2735731233, 3647641644, 5471462466, 7295283288, 10942924932, 21885849864]

約数ペア:

[(1, 21885849864), (2, 10942924932), (3, 7295283288), (4, 5471462466), (6, 3647641644), (8, 2735731233), (9, 2431761096), (12, 1823820822), (18, 1215880548), (24, 911910411), (27, 810587032), (36, 607940274), (54, 405293516), (61, 358784424), (72, 303970137), (108, 202646758), (122, 179392212), (183, 119594808), (216, 101323379), (244, 89696106), (366, 59797404), (488, 44848053), (549, 39864936), (571, 38328984), (732, 29898702), (1098, 19932468), (1142, 19164492), (1464, 14949351), (1647, 13288312), (1713, 12776328), (2196, 9966234), (2284, 9582246), (2909, 7523496), (3294, 6644156), (3426, 6388164), (4392, 4983117), (4568, 4791123), (5139, 4258776), (5818, 3761748), (6588, 3322078), (6852, 3194082), (8727, 2507832), (10278, 2129388), (11636, 1880874), (13176, 1661039), (13704, 1597041), (15417, 1419592), (17454, 1253916), (20556, 1064694), (23272, 940437), (26181, 835944), (30834, 709796), (34831, 628344), (34908, 626958), (41112, 532347), (52362, 417972), (61668, 354898), (69662, 314172), (69816, 313479), (78543, 278648), (104493, 209448), (104724, 208986), (123336, 177449), (139324, 157086)]