21009776788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{228139}}^1$

素因数の和:228197

約数の個数: 96

約数和(自身を含む): 51512186880

約数和(自身を除く): 30502410092

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 77, 91, 92, 143, 154, 161, 182, 253, 286, 299, 308, 322, 364, 506, 572, 598, 644, 1001, 1012, 1196, 1771, 2002, 2093, 3289, 3542, 4004, 4186, 6578, 7084, 8372, 13156, 23023, 46046, 92092, 228139, 456278, 912556, 1596973, 2509529, 2965807, 3193946, 5019058, 5247197, 5931614, 6387892, 10038116, 10494394, 11863228, 17566703, 20760649, 20988788, 32623877, 35133406, 36730379, 41521298, 57719167, 65247754, 68213561, 70266812, 73460758, 83042596, 115438334, 130495508, 136427122, 146921516, 228367139, 230876668, 272854244, 404034169, 456734278, 477494927, 750349171, 808068338, 913468556, 954989854, 1500698342, 1616136676, 1909979708, 3001396684, 5252444197, 10504888394, 21009776788]

約数ペア:

[(1, 21009776788), (2, 10504888394), (4, 5252444197), (7, 3001396684), (11, 1909979708), (13, 1616136676), (14, 1500698342), (22, 954989854), (23, 913468556), (26, 808068338), (28, 750349171), (44, 477494927), (46, 456734278), (52, 404034169), (77, 272854244), (91, 230876668), (92, 228367139), (143, 146921516), (154, 136427122), (161, 130495508), (182, 115438334), (253, 83042596), (286, 73460758), (299, 70266812), (308, 68213561), (322, 65247754), (364, 57719167), (506, 41521298), (572, 36730379), (598, 35133406), (644, 32623877), (1001, 20988788), (1012, 20760649), (1196, 17566703), (1771, 11863228), (2002, 10494394), (2093, 10038116), (3289, 6387892), (3542, 5931614), (4004, 5247197), (4186, 5019058), (6578, 3193946), (7084, 2965807), (8372, 2509529), (13156, 1596973), (23023, 912556), (46046, 456278), (92092, 228139)]