21246104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 25323496

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 97, 131, 152, 194, 209, 262, 388, 418, 524, 776, 836, 1048, 1067, 1441, 1672, 1843, 2134, 2489, 2882, 3686, 4268, 4978, 5764, 7372, 8536, 9956, 11528, 12707, 14744, 19912, 20273, 25414, 27379, 40546, 50828, 54758, 81092, 101656, 109516, 139777, 162184, 219032, 241433, 279554, 482866, 559108, 965732, 1118216, 1931464, 2655763, 5311526, 10623052, 21246104]

約数ペア:

[(1, 21246104), (2, 10623052), (4, 5311526), (8, 2655763), (11, 1931464), (19, 1118216), (22, 965732), (38, 559108), (44, 482866), (76, 279554), (88, 241433), (97, 219032), (131, 162184), (152, 139777), (194, 109516), (209, 101656), (262, 81092), (388, 54758), (418, 50828), (524, 40546), (776, 27379), (836, 25414), (1048, 20273), (1067, 19912), (1441, 14744), (1672, 12707), (1843, 11528), (2134, 9956), (2489, 8536), (2882, 7372), (3686, 5764), (4268, 4978)]