21488953488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{760079}}^1$

素因数の和:760140

約数の個数: 80

約数和(自身を含む): 60319948800

約数和(自身を除く): 38830995312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 760079, 1520158, 2280237, 3040316, 4560474, 6080632, 9120948, 12161264, 14441501, 18241896, 23562449, 28883002, 36483792, 43324503, 47124898, 57766004, 70687347, 86649006, 94249796, 115532008, 141374694, 173298012, 188499592, 231064016, 282749388, 346596024, 376999184, 447686531, 565498776, 693192048, 895373062, 1130997552, 1343059593, 1790746124, 2686119186, 3581492248, 5372238372, 7162984496, 10744476744, 21488953488]

約数ペア:

[(1, 21488953488), (2, 10744476744), (3, 7162984496), (4, 5372238372), (6, 3581492248), (8, 2686119186), (12, 1790746124), (16, 1343059593), (19, 1130997552), (24, 895373062), (31, 693192048), (38, 565498776), (48, 447686531), (57, 376999184), (62, 346596024), (76, 282749388), (93, 231064016), (114, 188499592), (124, 173298012), (152, 141374694), (186, 115532008), (228, 94249796), (248, 86649006), (304, 70687347), (372, 57766004), (456, 47124898), (496, 43324503), (589, 36483792), (744, 28883002), (912, 23562449), (1178, 18241896), (1488, 14441501), (1767, 12161264), (2356, 9120948), (3534, 6080632), (4712, 4560474), (7068, 3040316), (9424, 2280237), (14136, 1520158), (28272, 760079)]