21849318964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1171}}^1\times {\mathrm{2029}}^1$

素因数の和:3245

約数の個数: 72

約数和(自身を含む): 44299959200

約数和(自身を除く): 22450640236

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 1171, 2029, 2299, 2342, 4058, 4598, 4684, 8116, 9196, 12881, 22249, 22319, 25762, 38551, 44498, 44638, 51524, 77102, 88996, 89276, 141691, 154204, 244739, 245509, 283382, 424061, 489478, 491018, 566764, 848122, 978956, 982036, 1696244, 2375959, 2692129, 4664671, 4751918, 5384258, 9329342, 9503836, 10768516, 18658684, 26135549, 45143221, 52271098, 90286442, 104542196, 180572884, 287491039, 496575431, 574982078, 993150862, 1149964156, 1986301724, 5462329741, 10924659482, 21849318964]

約数ペア:

[(1, 21849318964), (2, 10924659482), (4, 5462329741), (11, 1986301724), (19, 1149964156), (22, 993150862), (38, 574982078), (44, 496575431), (76, 287491039), (121, 180572884), (209, 104542196), (242, 90286442), (418, 52271098), (484, 45143221), (836, 26135549), (1171, 18658684), (2029, 10768516), (2299, 9503836), (2342, 9329342), (4058, 5384258), (4598, 4751918), (4684, 4664671), (8116, 2692129), (9196, 2375959), (12881, 1696244), (22249, 982036), (22319, 978956), (25762, 848122), (38551, 566764), (44498, 491018), (44638, 489478), (51524, 424061), (77102, 283382), (88996, 245509), (89276, 244739), (141691, 154204)]