21931287928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{46679}}^1$

素因数の和:46996

約数の個数: 64

約数和(自身を含む): 47389536000

約数和(自身を除く): 25458248072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 281, 418, 562, 836, 1124, 1672, 2248, 3091, 5339, 6182, 10678, 12364, 21356, 24728, 42712, 46679, 58729, 93358, 117458, 186716, 234916, 373432, 469832, 513469, 886901, 1026938, 1773802, 2053876, 3547604, 4107752, 7095208, 9755911, 13116799, 19511822, 26233598, 39023644, 52467196, 78047288, 104934392, 144284789, 249219181, 288569578, 498438362, 577139156, 996876724, 1154278312, 1993753448, 2741410991, 5482821982, 10965643964, 21931287928]

約数ペア:

[(1, 21931287928), (2, 10965643964), (4, 5482821982), (8, 2741410991), (11, 1993753448), (19, 1154278312), (22, 996876724), (38, 577139156), (44, 498438362), (76, 288569578), (88, 249219181), (152, 144284789), (209, 104934392), (281, 78047288), (418, 52467196), (562, 39023644), (836, 26233598), (1124, 19511822), (1672, 13116799), (2248, 9755911), (3091, 7095208), (5339, 4107752), (6182, 3547604), (10678, 2053876), (12364, 1773802), (21356, 1026938), (24728, 886901), (42712, 513469), (46679, 469832), (58729, 373432), (93358, 234916), (117458, 186716)]