21000980232

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{5101}}^1$

素因数の和:5595

約数の個数: 96

約数和(自身を含む): 57369336960

約数和(自身を除く): 36368356728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 271, 422, 542, 633, 813, 844, 1084, 1266, 1626, 1688, 1899, 2168, 2439, 2532, 3252, 3798, 4878, 5064, 5101, 6504, 7596, 9756, 10202, 15192, 15303, 19512, 20404, 30606, 40808, 45909, 57181, 61212, 91818, 114362, 122424, 171543, 183636, 228724, 343086, 367272, 457448, 514629, 686172, 1029258, 1076311, 1372344, 1382371, 2058516, 2152622, 2764742, 3228933, 4117032, 4147113, 4305244, 5529484, 6457866, 8294226, 8610488, 9686799, 11058968, 12441339, 12915732, 16588452, 19373598, 24882678, 25831464, 33176904, 38747196, 49765356, 77494392, 99530712, 291680281, 583360562, 875040843, 1166721124, 1750081686, 2333442248, 2625122529, 3500163372, 5250245058, 7000326744, 10500490116, 21000980232]

約数ペア:

[(1, 21000980232), (2, 10500490116), (3, 7000326744), (4, 5250245058), (6, 3500163372), (8, 2625122529), (9, 2333442248), (12, 1750081686), (18, 1166721124), (24, 875040843), (36, 583360562), (72, 291680281), (211, 99530712), (271, 77494392), (422, 49765356), (542, 38747196), (633, 33176904), (813, 25831464), (844, 24882678), (1084, 19373598), (1266, 16588452), (1626, 12915732), (1688, 12441339), (1899, 11058968), (2168, 9686799), (2439, 8610488), (2532, 8294226), (3252, 6457866), (3798, 5529484), (4878, 4305244), (5064, 4147113), (5101, 4117032), (6504, 3228933), (7596, 2764742), (9756, 2152622), (10202, 2058516), (15192, 1382371), (15303, 1372344), (19512, 1076311), (20404, 1029258), (30606, 686172), (40808, 514629), (45909, 457448), (57181, 367272), (61212, 343086), (91818, 228724), (114362, 183636), (122424, 171543)]