21640392

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5273}}^1$

素因数の和:5307

約数の個数: 64

約数和(自身を含む): 63288000

約数和(自身を除く): 41647608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5273, 10546, 15819, 21092, 31638, 42184, 47457, 63276, 94914, 100187, 126552, 142371, 189828, 200374, 284742, 300561, 379656, 400748, 569484, 601122, 801496, 901683, 1138968, 1202244, 1803366, 2404488, 2705049, 3606732, 5410098, 7213464, 10820196, 21640392]

約数ペア:

[(1, 21640392), (2, 10820196), (3, 7213464), (4, 5410098), (6, 3606732), (8, 2705049), (9, 2404488), (12, 1803366), (18, 1202244), (19, 1138968), (24, 901683), (27, 801496), (36, 601122), (38, 569484), (54, 400748), (57, 379656), (72, 300561), (76, 284742), (108, 200374), (114, 189828), (152, 142371), (171, 126552), (216, 100187), (228, 94914), (342, 63276), (456, 47457), (513, 42184), (684, 31638), (1026, 21092), (1368, 15819), (2052, 10546), (4104, 5273)]