21361956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 63329280

約数和(自身を除く): 41967324

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 122, 132, 154, 183, 231, 244, 308, 366, 379, 427, 462, 671, 732, 758, 854, 924, 1137, 1281, 1342, 1516, 1708, 2013, 2274, 2562, 2653, 2684, 4026, 4169, 4548, 4697, 5124, 5306, 7959, 8052, 8338, 9394, 10612, 12507, 14091, 15918, 16676, 18788, 23119, 25014, 28182, 29183, 31836, 46238, 50028, 56364, 58366, 69357, 87549, 92476, 116732, 138714, 161833, 175098, 254309, 277428, 323666, 350196, 485499, 508618, 647332, 762927, 970998, 1017236, 1525854, 1780163, 1941996, 3051708, 3560326, 5340489, 7120652, 10680978, 21361956]

約数ペア:

[(1, 21361956), (2, 10680978), (3, 7120652), (4, 5340489), (6, 3560326), (7, 3051708), (11, 1941996), (12, 1780163), (14, 1525854), (21, 1017236), (22, 970998), (28, 762927), (33, 647332), (42, 508618), (44, 485499), (61, 350196), (66, 323666), (77, 277428), (84, 254309), (122, 175098), (132, 161833), (154, 138714), (183, 116732), (231, 92476), (244, 87549), (308, 69357), (366, 58366), (379, 56364), (427, 50028), (462, 46238), (671, 31836), (732, 29183), (758, 28182), (854, 25014), (924, 23119), (1137, 18788), (1281, 16676), (1342, 15918), (1516, 14091), (1708, 12507), (2013, 10612), (2274, 9394), (2562, 8338), (2653, 8052), (2684, 7959), (4026, 5306), (4169, 5124), (4548, 4697)]