21265332

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 37064268

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 61, 66, 76, 114, 122, 132, 139, 183, 209, 228, 244, 278, 366, 417, 418, 556, 627, 671, 732, 834, 836, 1159, 1254, 1342, 1529, 1668, 2013, 2318, 2508, 2641, 2684, 3058, 3477, 4026, 4587, 4636, 5282, 6116, 6954, 7923, 8052, 8479, 9174, 10564, 12749, 13908, 15846, 16958, 18348, 25437, 25498, 29051, 31692, 33916, 38247, 50874, 50996, 58102, 76494, 87153, 93269, 101748, 116204, 152988, 161101, 174306, 186538, 279807, 322202, 348612, 373076, 483303, 559614, 644404, 966606, 1119228, 1772111, 1933212, 3544222, 5316333, 7088444, 10632666, 21265332]

約数ペア:

[(1, 21265332), (2, 10632666), (3, 7088444), (4, 5316333), (6, 3544222), (11, 1933212), (12, 1772111), (19, 1119228), (22, 966606), (33, 644404), (38, 559614), (44, 483303), (57, 373076), (61, 348612), (66, 322202), (76, 279807), (114, 186538), (122, 174306), (132, 161101), (139, 152988), (183, 116204), (209, 101748), (228, 93269), (244, 87153), (278, 76494), (366, 58102), (417, 50996), (418, 50874), (556, 38247), (627, 33916), (671, 31692), (732, 29051), (834, 25498), (836, 25437), (1159, 18348), (1254, 16958), (1342, 15846), (1529, 13908), (1668, 12749), (2013, 10564), (2318, 9174), (2508, 8479), (2641, 8052), (2684, 7923), (3058, 6954), (3477, 6116), (4026, 5282), (4587, 4636)]